* drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
@ 2021-04-13 0:14 kernel test robot
0 siblings, 0 replies; 14+ messages in thread
From: kernel test robot @ 2021-04-13 0:14 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 3670 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Robin Murphy <robin.murphy@arm.com>
CC: Joerg Roedel <jroedel@suse.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 89698becf06d341a700913c3d89ce2a914af69a2
commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs
date: 9 months ago
:::::: branch date: 8 hours ago
:::::: commit date: 9 months ago
config: microblaze-randconfig-m031-20210413 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
vim +/mapping +144 drivers/gpu/drm/exynos/exynos_drm_dma.c
237556962e5115 Andrzej Hajda 2018-10-12 120
07dc3678bacc2a Marek Szyprowski 2020-03-09 121 int exynos_drm_register_dma(struct drm_device *drm, struct device *dev,
07dc3678bacc2a Marek Szyprowski 2020-03-09 122 void **dma_priv)
237556962e5115 Andrzej Hajda 2018-10-12 123 {
237556962e5115 Andrzej Hajda 2018-10-12 124 struct exynos_drm_private *priv = drm->dev_private;
237556962e5115 Andrzej Hajda 2018-10-12 125
237556962e5115 Andrzej Hajda 2018-10-12 126 if (!priv->dma_dev) {
237556962e5115 Andrzej Hajda 2018-10-12 127 priv->dma_dev = dev;
237556962e5115 Andrzej Hajda 2018-10-12 128 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n",
237556962e5115 Andrzej Hajda 2018-10-12 129 dev_name(dev));
237556962e5115 Andrzej Hajda 2018-10-12 130 }
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 131
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 132 if (!IS_ENABLED(CONFIG_EXYNOS_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 133 return 0;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 134
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 135 if (!priv->mapping) {
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 136 void *mapping;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 137
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 138 if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 139 mapping = arm_iommu_create_mapping(&platform_bus_type,
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 140 EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 141 else if (IS_ENABLED(CONFIG_IOMMU_DMA))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 142 mapping = iommu_get_domain_for_dev(priv->dma_dev);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 143
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 @144 if (IS_ERR(mapping))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 145 return PTR_ERR(mapping);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 146 priv->mapping = mapping;
237556962e5115 Andrzej Hajda 2018-10-12 147 }
237556962e5115 Andrzej Hajda 2018-10-12 148
07dc3678bacc2a Marek Szyprowski 2020-03-09 149 return drm_iommu_attach_device(drm, dev, dma_priv);
237556962e5115 Andrzej Hajda 2018-10-12 150 }
237556962e5115 Andrzej Hajda 2018-10-12 151
:::::: The code at line 144 was first introduced by commit
:::::: 67fbf3a3ef84436c58b5ead53b4b866125ad7ce9 drm/exynos/iommu: merge IOMMU and DMA code
:::::: TO: Andrzej Hajda <a.hajda@samsung.com>
:::::: CC: Inki Dae <inki.dae@samsung.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 26786 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread
* drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
@ 2021-05-03 12:35 ` Dan Carpenter
0 siblings, 0 replies; 14+ messages in thread
From: Dan Carpenter @ 2021-05-03 12:35 UTC (permalink / raw)
To: kbuild, Robin Murphy; +Cc: lkp, kbuild-all, linux-kernel, Joerg Roedel
[-- Attachment #1: Type: text/plain, Size: 3096 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9ccce092fc64d19504fa54de4fd659e279cc92e7
commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs
config: microblaze-randconfig-m031-20210503 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
vim +/mapping +144 drivers/gpu/drm/exynos/exynos_drm_dma.c
07dc3678bacc2a Marek Szyprowski 2020-03-09 121 int exynos_drm_register_dma(struct drm_device *drm, struct device *dev,
07dc3678bacc2a Marek Szyprowski 2020-03-09 122 void **dma_priv)
237556962e5115 Andrzej Hajda 2018-10-12 123 {
237556962e5115 Andrzej Hajda 2018-10-12 124 struct exynos_drm_private *priv = drm->dev_private;
237556962e5115 Andrzej Hajda 2018-10-12 125
237556962e5115 Andrzej Hajda 2018-10-12 126 if (!priv->dma_dev) {
237556962e5115 Andrzej Hajda 2018-10-12 127 priv->dma_dev = dev;
237556962e5115 Andrzej Hajda 2018-10-12 128 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n",
237556962e5115 Andrzej Hajda 2018-10-12 129 dev_name(dev));
237556962e5115 Andrzej Hajda 2018-10-12 130 }
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 131
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 132 if (!IS_ENABLED(CONFIG_EXYNOS_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 133 return 0;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 134
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 135 if (!priv->mapping) {
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 136 void *mapping;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 137
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 138 if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 139 mapping = arm_iommu_create_mapping(&platform_bus_type,
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 140 EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 141 else if (IS_ENABLED(CONFIG_IOMMU_DMA))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 142 mapping = iommu_get_domain_for_dev(priv->dma_dev);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 143
Both CONFIG_ options disabled in the attached .config file.
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 @144 if (IS_ERR(mapping))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 145 return PTR_ERR(mapping);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 146 priv->mapping = mapping;
237556962e5115 Andrzej Hajda 2018-10-12 147 }
237556962e5115 Andrzej Hajda 2018-10-12 148
07dc3678bacc2a Marek Szyprowski 2020-03-09 149 return drm_iommu_attach_device(drm, dev, dma_priv);
237556962e5115 Andrzej Hajda 2018-10-12 150 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 34794 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread
* drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
@ 2021-05-03 12:35 ` Dan Carpenter
0 siblings, 0 replies; 14+ messages in thread
From: Dan Carpenter @ 2021-05-03 12:35 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 3150 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9ccce092fc64d19504fa54de4fd659e279cc92e7
commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs
config: microblaze-randconfig-m031-20210503 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
vim +/mapping +144 drivers/gpu/drm/exynos/exynos_drm_dma.c
07dc3678bacc2a Marek Szyprowski 2020-03-09 121 int exynos_drm_register_dma(struct drm_device *drm, struct device *dev,
07dc3678bacc2a Marek Szyprowski 2020-03-09 122 void **dma_priv)
237556962e5115 Andrzej Hajda 2018-10-12 123 {
237556962e5115 Andrzej Hajda 2018-10-12 124 struct exynos_drm_private *priv = drm->dev_private;
237556962e5115 Andrzej Hajda 2018-10-12 125
237556962e5115 Andrzej Hajda 2018-10-12 126 if (!priv->dma_dev) {
237556962e5115 Andrzej Hajda 2018-10-12 127 priv->dma_dev = dev;
237556962e5115 Andrzej Hajda 2018-10-12 128 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n",
237556962e5115 Andrzej Hajda 2018-10-12 129 dev_name(dev));
237556962e5115 Andrzej Hajda 2018-10-12 130 }
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 131
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 132 if (!IS_ENABLED(CONFIG_EXYNOS_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 133 return 0;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 134
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 135 if (!priv->mapping) {
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 136 void *mapping;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 137
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 138 if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 139 mapping = arm_iommu_create_mapping(&platform_bus_type,
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 140 EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 141 else if (IS_ENABLED(CONFIG_IOMMU_DMA))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 142 mapping = iommu_get_domain_for_dev(priv->dma_dev);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 143
Both CONFIG_ options disabled in the attached .config file.
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 @144 if (IS_ERR(mapping))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 145 return PTR_ERR(mapping);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 146 priv->mapping = mapping;
237556962e5115 Andrzej Hajda 2018-10-12 147 }
237556962e5115 Andrzej Hajda 2018-10-12 148
07dc3678bacc2a Marek Szyprowski 2020-03-09 149 return drm_iommu_attach_device(drm, dev, dma_priv);
237556962e5115 Andrzej Hajda 2018-10-12 150 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 34794 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread
* drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
@ 2021-05-03 12:35 ` Dan Carpenter
0 siblings, 0 replies; 14+ messages in thread
From: Dan Carpenter @ 2021-05-03 12:35 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 3150 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9ccce092fc64d19504fa54de4fd659e279cc92e7
commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs
config: microblaze-randconfig-m031-20210503 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
vim +/mapping +144 drivers/gpu/drm/exynos/exynos_drm_dma.c
07dc3678bacc2a Marek Szyprowski 2020-03-09 121 int exynos_drm_register_dma(struct drm_device *drm, struct device *dev,
07dc3678bacc2a Marek Szyprowski 2020-03-09 122 void **dma_priv)
237556962e5115 Andrzej Hajda 2018-10-12 123 {
237556962e5115 Andrzej Hajda 2018-10-12 124 struct exynos_drm_private *priv = drm->dev_private;
237556962e5115 Andrzej Hajda 2018-10-12 125
237556962e5115 Andrzej Hajda 2018-10-12 126 if (!priv->dma_dev) {
237556962e5115 Andrzej Hajda 2018-10-12 127 priv->dma_dev = dev;
237556962e5115 Andrzej Hajda 2018-10-12 128 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n",
237556962e5115 Andrzej Hajda 2018-10-12 129 dev_name(dev));
237556962e5115 Andrzej Hajda 2018-10-12 130 }
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 131
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 132 if (!IS_ENABLED(CONFIG_EXYNOS_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 133 return 0;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 134
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 135 if (!priv->mapping) {
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 136 void *mapping;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 137
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 138 if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 139 mapping = arm_iommu_create_mapping(&platform_bus_type,
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 140 EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 141 else if (IS_ENABLED(CONFIG_IOMMU_DMA))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 142 mapping = iommu_get_domain_for_dev(priv->dma_dev);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 143
Both CONFIG_ options disabled in the attached .config file.
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 @144 if (IS_ERR(mapping))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 145 return PTR_ERR(mapping);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 146 priv->mapping = mapping;
237556962e5115 Andrzej Hajda 2018-10-12 147 }
237556962e5115 Andrzej Hajda 2018-10-12 148
07dc3678bacc2a Marek Szyprowski 2020-03-09 149 return drm_iommu_attach_device(drm, dev, dma_priv);
237556962e5115 Andrzej Hajda 2018-10-12 150 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 34794 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread
* drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
@ 2021-05-03 12:28 kernel test robot
0 siblings, 0 replies; 14+ messages in thread
From: kernel test robot @ 2021-05-03 12:28 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 3673 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Robin Murphy <robin.murphy@arm.com>
CC: Joerg Roedel <jroedel@suse.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9ccce092fc64d19504fa54de4fd659e279cc92e7
commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs
date: 10 months ago
:::::: branch date: 15 hours ago
:::::: commit date: 10 months ago
config: microblaze-randconfig-m031-20210503 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
vim +/mapping +144 drivers/gpu/drm/exynos/exynos_drm_dma.c
237556962e5115 Andrzej Hajda 2018-10-12 120
07dc3678bacc2a Marek Szyprowski 2020-03-09 121 int exynos_drm_register_dma(struct drm_device *drm, struct device *dev,
07dc3678bacc2a Marek Szyprowski 2020-03-09 122 void **dma_priv)
237556962e5115 Andrzej Hajda 2018-10-12 123 {
237556962e5115 Andrzej Hajda 2018-10-12 124 struct exynos_drm_private *priv = drm->dev_private;
237556962e5115 Andrzej Hajda 2018-10-12 125
237556962e5115 Andrzej Hajda 2018-10-12 126 if (!priv->dma_dev) {
237556962e5115 Andrzej Hajda 2018-10-12 127 priv->dma_dev = dev;
237556962e5115 Andrzej Hajda 2018-10-12 128 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n",
237556962e5115 Andrzej Hajda 2018-10-12 129 dev_name(dev));
237556962e5115 Andrzej Hajda 2018-10-12 130 }
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 131
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 132 if (!IS_ENABLED(CONFIG_EXYNOS_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 133 return 0;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 134
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 135 if (!priv->mapping) {
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 136 void *mapping;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 137
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 138 if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 139 mapping = arm_iommu_create_mapping(&platform_bus_type,
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 140 EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 141 else if (IS_ENABLED(CONFIG_IOMMU_DMA))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 142 mapping = iommu_get_domain_for_dev(priv->dma_dev);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 143
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 @144 if (IS_ERR(mapping))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 145 return PTR_ERR(mapping);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 146 priv->mapping = mapping;
237556962e5115 Andrzej Hajda 2018-10-12 147 }
237556962e5115 Andrzej Hajda 2018-10-12 148
07dc3678bacc2a Marek Szyprowski 2020-03-09 149 return drm_iommu_attach_device(drm, dev, dma_priv);
237556962e5115 Andrzej Hajda 2018-10-12 150 }
237556962e5115 Andrzej Hajda 2018-10-12 151
:::::: The code at line 144 was first introduced by commit
:::::: 67fbf3a3ef84436c58b5ead53b4b866125ad7ce9 drm/exynos/iommu: merge IOMMU and DMA code
:::::: TO: Andrzej Hajda <a.hajda@samsung.com>
:::::: CC: Inki Dae <inki.dae@samsung.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 34794 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread
* drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
@ 2021-03-26 11:21 Dan Carpenter
0 siblings, 0 replies; 14+ messages in thread
From: Dan Carpenter @ 2021-03-26 11:21 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 3356 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: db24726bfefa68c606947a86132591568a06bfb4
commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs
config: nios2-randconfig-m031-20210326 (attached as .config)
compiler: nios2-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
vim +/mapping +144 drivers/gpu/drm/exynos/exynos_drm_dma.c
07dc3678bacc2a Marek Szyprowski 2020-03-09 121 int exynos_drm_register_dma(struct drm_device *drm, struct device *dev,
07dc3678bacc2a Marek Szyprowski 2020-03-09 122 void **dma_priv)
237556962e5115 Andrzej Hajda 2018-10-12 123 {
237556962e5115 Andrzej Hajda 2018-10-12 124 struct exynos_drm_private *priv = drm->dev_private;
237556962e5115 Andrzej Hajda 2018-10-12 125
237556962e5115 Andrzej Hajda 2018-10-12 126 if (!priv->dma_dev) {
237556962e5115 Andrzej Hajda 2018-10-12 127 priv->dma_dev = dev;
237556962e5115 Andrzej Hajda 2018-10-12 128 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n",
237556962e5115 Andrzej Hajda 2018-10-12 129 dev_name(dev));
237556962e5115 Andrzej Hajda 2018-10-12 130 }
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 131
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 132 if (!IS_ENABLED(CONFIG_EXYNOS_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 133 return 0;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 134
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 135 if (!priv->mapping) {
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 136 void *mapping;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 137
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 138 if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 139 mapping = arm_iommu_create_mapping(&platform_bus_type,
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 140 EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 141 else if (IS_ENABLED(CONFIG_IOMMU_DMA))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 142 mapping = iommu_get_domain_for_dev(priv->dma_dev);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 143
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 @144 if (IS_ERR(mapping))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 145 return PTR_ERR(mapping);
Uninitialized in the attached .config. (I feel like I already sent
this warning. Sorry for the duplicate if so).
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 146 priv->mapping = mapping;
237556962e5115 Andrzej Hajda 2018-10-12 147 }
237556962e5115 Andrzej Hajda 2018-10-12 148
07dc3678bacc2a Marek Szyprowski 2020-03-09 149 return drm_iommu_attach_device(drm, dev, dma_priv);
237556962e5115 Andrzej Hajda 2018-10-12 150 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
_______________________________________________
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To unsubscribe send an email to kbuild-leave(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 24679 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread
* drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
@ 2021-03-26 11:10 kernel test robot
0 siblings, 0 replies; 14+ messages in thread
From: kernel test robot @ 2021-03-26 11:10 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 3661 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Robin Murphy <robin.murphy@arm.com>
CC: Joerg Roedel <jroedel@suse.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: db24726bfefa68c606947a86132591568a06bfb4
commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs
date: 9 months ago
:::::: branch date: 11 hours ago
:::::: commit date: 9 months ago
config: nios2-randconfig-m031-20210326 (attached as .config)
compiler: nios2-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
vim +/mapping +144 drivers/gpu/drm/exynos/exynos_drm_dma.c
237556962e5115 Andrzej Hajda 2018-10-12 120
07dc3678bacc2a Marek Szyprowski 2020-03-09 121 int exynos_drm_register_dma(struct drm_device *drm, struct device *dev,
07dc3678bacc2a Marek Szyprowski 2020-03-09 122 void **dma_priv)
237556962e5115 Andrzej Hajda 2018-10-12 123 {
237556962e5115 Andrzej Hajda 2018-10-12 124 struct exynos_drm_private *priv = drm->dev_private;
237556962e5115 Andrzej Hajda 2018-10-12 125
237556962e5115 Andrzej Hajda 2018-10-12 126 if (!priv->dma_dev) {
237556962e5115 Andrzej Hajda 2018-10-12 127 priv->dma_dev = dev;
237556962e5115 Andrzej Hajda 2018-10-12 128 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n",
237556962e5115 Andrzej Hajda 2018-10-12 129 dev_name(dev));
237556962e5115 Andrzej Hajda 2018-10-12 130 }
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 131
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 132 if (!IS_ENABLED(CONFIG_EXYNOS_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 133 return 0;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 134
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 135 if (!priv->mapping) {
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 136 void *mapping;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 137
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 138 if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 139 mapping = arm_iommu_create_mapping(&platform_bus_type,
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 140 EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 141 else if (IS_ENABLED(CONFIG_IOMMU_DMA))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 142 mapping = iommu_get_domain_for_dev(priv->dma_dev);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 143
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 @144 if (IS_ERR(mapping))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 145 return PTR_ERR(mapping);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 146 priv->mapping = mapping;
237556962e5115 Andrzej Hajda 2018-10-12 147 }
237556962e5115 Andrzej Hajda 2018-10-12 148
07dc3678bacc2a Marek Szyprowski 2020-03-09 149 return drm_iommu_attach_device(drm, dev, dma_priv);
237556962e5115 Andrzej Hajda 2018-10-12 150 }
237556962e5115 Andrzej Hajda 2018-10-12 151
:::::: The code at line 144 was first introduced by commit
:::::: 67fbf3a3ef84436c58b5ead53b4b866125ad7ce9 drm/exynos/iommu: merge IOMMU and DMA code
:::::: TO: Andrzej Hajda <a.hajda@samsung.com>
:::::: CC: Inki Dae <inki.dae@samsung.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 24679 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread
* drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
@ 2021-03-02 7:49 Dan Carpenter
0 siblings, 0 replies; 14+ messages in thread
From: Dan Carpenter @ 2021-03-02 7:49 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 3343 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7a7fd0de4a9804299793e564a555a49c1fc924cb
commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs
config: xtensa-randconfig-m031-20210302 (attached as .config)
compiler: xtensa-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
vim +/mapping +144 drivers/gpu/drm/exynos/exynos_drm_dma.c
07dc3678bacc2a Marek Szyprowski 2020-03-09 121 int exynos_drm_register_dma(struct drm_device *drm, struct device *dev,
07dc3678bacc2a Marek Szyprowski 2020-03-09 122 void **dma_priv)
237556962e5115 Andrzej Hajda 2018-10-12 123 {
237556962e5115 Andrzej Hajda 2018-10-12 124 struct exynos_drm_private *priv = drm->dev_private;
237556962e5115 Andrzej Hajda 2018-10-12 125
237556962e5115 Andrzej Hajda 2018-10-12 126 if (!priv->dma_dev) {
237556962e5115 Andrzej Hajda 2018-10-12 127 priv->dma_dev = dev;
237556962e5115 Andrzej Hajda 2018-10-12 128 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n",
237556962e5115 Andrzej Hajda 2018-10-12 129 dev_name(dev));
237556962e5115 Andrzej Hajda 2018-10-12 130 }
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 131
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 132 if (!IS_ENABLED(CONFIG_EXYNOS_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 133 return 0;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 134
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 135 if (!priv->mapping) {
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 136 void *mapping;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 137
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 138 if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 139 mapping = arm_iommu_create_mapping(&platform_bus_type,
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 140 EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 141 else if (IS_ENABLED(CONFIG_IOMMU_DMA))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 142 mapping = iommu_get_domain_for_dev(priv->dma_dev);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 143
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 @144 if (IS_ERR(mapping))
See the attached .config. Neither option is enabled but it still
managed to compile this function.
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 145 return PTR_ERR(mapping);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 146 priv->mapping = mapping;
237556962e5115 Andrzej Hajda 2018-10-12 147 }
237556962e5115 Andrzej Hajda 2018-10-12 148
07dc3678bacc2a Marek Szyprowski 2020-03-09 149 return drm_iommu_attach_device(drm, dev, dma_priv);
237556962e5115 Andrzej Hajda 2018-10-12 150 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
_______________________________________________
kbuild mailing list -- kbuild(a)lists.01.org
To unsubscribe send an email to kbuild-leave(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 27554 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread
* drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
@ 2021-03-02 5:59 kernel test robot
0 siblings, 0 replies; 14+ messages in thread
From: kernel test robot @ 2021-03-02 5:59 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 3663 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Robin Murphy <robin.murphy@arm.com>
CC: Joerg Roedel <jroedel@suse.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7a7fd0de4a9804299793e564a555a49c1fc924cb
commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs
date: 8 months ago
:::::: branch date: 11 hours ago
:::::: commit date: 8 months ago
config: xtensa-randconfig-m031-20210302 (attached as .config)
compiler: xtensa-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
vim +/mapping +144 drivers/gpu/drm/exynos/exynos_drm_dma.c
237556962e5115 Andrzej Hajda 2018-10-12 120
07dc3678bacc2a Marek Szyprowski 2020-03-09 121 int exynos_drm_register_dma(struct drm_device *drm, struct device *dev,
07dc3678bacc2a Marek Szyprowski 2020-03-09 122 void **dma_priv)
237556962e5115 Andrzej Hajda 2018-10-12 123 {
237556962e5115 Andrzej Hajda 2018-10-12 124 struct exynos_drm_private *priv = drm->dev_private;
237556962e5115 Andrzej Hajda 2018-10-12 125
237556962e5115 Andrzej Hajda 2018-10-12 126 if (!priv->dma_dev) {
237556962e5115 Andrzej Hajda 2018-10-12 127 priv->dma_dev = dev;
237556962e5115 Andrzej Hajda 2018-10-12 128 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n",
237556962e5115 Andrzej Hajda 2018-10-12 129 dev_name(dev));
237556962e5115 Andrzej Hajda 2018-10-12 130 }
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 131
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 132 if (!IS_ENABLED(CONFIG_EXYNOS_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 133 return 0;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 134
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 135 if (!priv->mapping) {
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 136 void *mapping;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 137
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 138 if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 139 mapping = arm_iommu_create_mapping(&platform_bus_type,
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 140 EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 141 else if (IS_ENABLED(CONFIG_IOMMU_DMA))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 142 mapping = iommu_get_domain_for_dev(priv->dma_dev);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 143
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 @144 if (IS_ERR(mapping))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 145 return PTR_ERR(mapping);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 146 priv->mapping = mapping;
237556962e5115 Andrzej Hajda 2018-10-12 147 }
237556962e5115 Andrzej Hajda 2018-10-12 148
07dc3678bacc2a Marek Szyprowski 2020-03-09 149 return drm_iommu_attach_device(drm, dev, dma_priv);
237556962e5115 Andrzej Hajda 2018-10-12 150 }
237556962e5115 Andrzej Hajda 2018-10-12 151
:::::: The code at line 144 was first introduced by commit
:::::: 67fbf3a3ef84436c58b5ead53b4b866125ad7ce9 drm/exynos/iommu: merge IOMMU and DMA code
:::::: TO: Andrzej Hajda <a.hajda@samsung.com>
:::::: CC: Inki Dae <inki.dae@samsung.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 27554 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread
* drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
@ 2021-01-06 16:42 kernel test robot
0 siblings, 0 replies; 14+ messages in thread
From: kernel test robot @ 2021-01-06 16:42 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 3717 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Robin Murphy <robin.murphy@arm.com>
CC: Joerg Roedel <jroedel@suse.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62
commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs
date: 6 months ago
:::::: branch date: 3 days ago
:::::: commit date: 6 months ago
config: arc-randconfig-m031-20210106 (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
vim +/mapping +144 drivers/gpu/drm/exynos/exynos_drm_dma.c
237556962e51150f Andrzej Hajda 2018-10-12 120
07dc3678bacc2a75 Marek Szyprowski 2020-03-09 121 int exynos_drm_register_dma(struct drm_device *drm, struct device *dev,
07dc3678bacc2a75 Marek Szyprowski 2020-03-09 122 void **dma_priv)
237556962e51150f Andrzej Hajda 2018-10-12 123 {
237556962e51150f Andrzej Hajda 2018-10-12 124 struct exynos_drm_private *priv = drm->dev_private;
237556962e51150f Andrzej Hajda 2018-10-12 125
237556962e51150f Andrzej Hajda 2018-10-12 126 if (!priv->dma_dev) {
237556962e51150f Andrzej Hajda 2018-10-12 127 priv->dma_dev = dev;
237556962e51150f Andrzej Hajda 2018-10-12 128 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n",
237556962e51150f Andrzej Hajda 2018-10-12 129 dev_name(dev));
237556962e51150f Andrzej Hajda 2018-10-12 130 }
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 131
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 132 if (!IS_ENABLED(CONFIG_EXYNOS_IOMMU))
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 133 return 0;
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 134
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 135 if (!priv->mapping) {
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 136 void *mapping;
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 137
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 138 if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 139 mapping = arm_iommu_create_mapping(&platform_bus_type,
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 140 EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE);
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 141 else if (IS_ENABLED(CONFIG_IOMMU_DMA))
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 142 mapping = iommu_get_domain_for_dev(priv->dma_dev);
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 143
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 @144 if (IS_ERR(mapping))
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 145 return PTR_ERR(mapping);
67fbf3a3ef84436c Andrzej Hajda 2018-10-12 146 priv->mapping = mapping;
237556962e51150f Andrzej Hajda 2018-10-12 147 }
237556962e51150f Andrzej Hajda 2018-10-12 148
07dc3678bacc2a75 Marek Szyprowski 2020-03-09 149 return drm_iommu_attach_device(drm, dev, dma_priv);
237556962e51150f Andrzej Hajda 2018-10-12 150 }
237556962e51150f Andrzej Hajda 2018-10-12 151
:::::: The code at line 144 was first introduced by commit
:::::: 67fbf3a3ef84436c58b5ead53b4b866125ad7ce9 drm/exynos/iommu: merge IOMMU and DMA code
:::::: TO: Andrzej Hajda <a.hajda@samsung.com>
:::::: CC: Inki Dae <inki.dae@samsung.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 41683 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread
* drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
@ 2020-10-26 9:54 ` Dan Carpenter
0 siblings, 0 replies; 14+ messages in thread
From: Dan Carpenter @ 2020-10-26 9:54 UTC (permalink / raw)
To: kbuild, Robin Murphy, Andrzej Hajda
Cc: lkp, Dan Carpenter, kbuild-all, linux-kernel, Joerg Roedel, Inki Dae
[-- Attachment #1: Type: text/plain, Size: 3154 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d76913908102044f14381df865bb74df17a538cb
commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs
config: i386-randconfig-m021-20201026 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
vim +/mapping +144 drivers/gpu/drm/exynos/exynos_drm_dma.c
07dc3678bacc2a Marek Szyprowski 2020-03-09 121 int exynos_drm_register_dma(struct drm_device *drm, struct device *dev,
07dc3678bacc2a Marek Szyprowski 2020-03-09 122 void **dma_priv)
237556962e5115 Andrzej Hajda 2018-10-12 123 {
237556962e5115 Andrzej Hajda 2018-10-12 124 struct exynos_drm_private *priv = drm->dev_private;
237556962e5115 Andrzej Hajda 2018-10-12 125
237556962e5115 Andrzej Hajda 2018-10-12 126 if (!priv->dma_dev) {
237556962e5115 Andrzej Hajda 2018-10-12 127 priv->dma_dev = dev;
237556962e5115 Andrzej Hajda 2018-10-12 128 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n",
237556962e5115 Andrzej Hajda 2018-10-12 129 dev_name(dev));
237556962e5115 Andrzej Hajda 2018-10-12 130 }
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 131
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 132 if (!IS_ENABLED(CONFIG_EXYNOS_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 133 return 0;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 134
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 135 if (!priv->mapping) {
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 136 void *mapping;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 137
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 138 if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 139 mapping = arm_iommu_create_mapping(&platform_bus_type,
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 140 EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 141 else if (IS_ENABLED(CONFIG_IOMMU_DMA))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 142 mapping = iommu_get_domain_for_dev(priv->dma_dev);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 143
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 @144 if (IS_ERR(mapping))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 145 return PTR_ERR(mapping);
In the attached config CONFIG_EXYNOS_IOMMU=y and the other configs are
disabled so it seems like this is a reasonable warning.
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 146 priv->mapping = mapping;
237556962e5115 Andrzej Hajda 2018-10-12 147 }
237556962e5115 Andrzej Hajda 2018-10-12 148
07dc3678bacc2a Marek Szyprowski 2020-03-09 149 return drm_iommu_attach_device(drm, dev, dma_priv);
237556962e5115 Andrzej Hajda 2018-10-12 150 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 38816 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread
* drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
@ 2020-10-26 9:54 ` Dan Carpenter
0 siblings, 0 replies; 14+ messages in thread
From: Dan Carpenter @ 2020-10-26 9:54 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 3209 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d76913908102044f14381df865bb74df17a538cb
commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs
config: i386-randconfig-m021-20201026 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
vim +/mapping +144 drivers/gpu/drm/exynos/exynos_drm_dma.c
07dc3678bacc2a Marek Szyprowski 2020-03-09 121 int exynos_drm_register_dma(struct drm_device *drm, struct device *dev,
07dc3678bacc2a Marek Szyprowski 2020-03-09 122 void **dma_priv)
237556962e5115 Andrzej Hajda 2018-10-12 123 {
237556962e5115 Andrzej Hajda 2018-10-12 124 struct exynos_drm_private *priv = drm->dev_private;
237556962e5115 Andrzej Hajda 2018-10-12 125
237556962e5115 Andrzej Hajda 2018-10-12 126 if (!priv->dma_dev) {
237556962e5115 Andrzej Hajda 2018-10-12 127 priv->dma_dev = dev;
237556962e5115 Andrzej Hajda 2018-10-12 128 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n",
237556962e5115 Andrzej Hajda 2018-10-12 129 dev_name(dev));
237556962e5115 Andrzej Hajda 2018-10-12 130 }
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 131
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 132 if (!IS_ENABLED(CONFIG_EXYNOS_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 133 return 0;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 134
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 135 if (!priv->mapping) {
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 136 void *mapping;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 137
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 138 if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 139 mapping = arm_iommu_create_mapping(&platform_bus_type,
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 140 EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 141 else if (IS_ENABLED(CONFIG_IOMMU_DMA))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 142 mapping = iommu_get_domain_for_dev(priv->dma_dev);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 143
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 @144 if (IS_ERR(mapping))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 145 return PTR_ERR(mapping);
In the attached config CONFIG_EXYNOS_IOMMU=y and the other configs are
disabled so it seems like this is a reasonable warning.
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 146 priv->mapping = mapping;
237556962e5115 Andrzej Hajda 2018-10-12 147 }
237556962e5115 Andrzej Hajda 2018-10-12 148
07dc3678bacc2a Marek Szyprowski 2020-03-09 149 return drm_iommu_attach_device(drm, dev, dma_priv);
237556962e5115 Andrzej Hajda 2018-10-12 150 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 38816 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread
* drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
@ 2020-10-26 9:54 ` Dan Carpenter
0 siblings, 0 replies; 14+ messages in thread
From: Dan Carpenter @ 2020-10-26 9:54 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 3209 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d76913908102044f14381df865bb74df17a538cb
commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs
config: i386-randconfig-m021-20201026 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
vim +/mapping +144 drivers/gpu/drm/exynos/exynos_drm_dma.c
07dc3678bacc2a Marek Szyprowski 2020-03-09 121 int exynos_drm_register_dma(struct drm_device *drm, struct device *dev,
07dc3678bacc2a Marek Szyprowski 2020-03-09 122 void **dma_priv)
237556962e5115 Andrzej Hajda 2018-10-12 123 {
237556962e5115 Andrzej Hajda 2018-10-12 124 struct exynos_drm_private *priv = drm->dev_private;
237556962e5115 Andrzej Hajda 2018-10-12 125
237556962e5115 Andrzej Hajda 2018-10-12 126 if (!priv->dma_dev) {
237556962e5115 Andrzej Hajda 2018-10-12 127 priv->dma_dev = dev;
237556962e5115 Andrzej Hajda 2018-10-12 128 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n",
237556962e5115 Andrzej Hajda 2018-10-12 129 dev_name(dev));
237556962e5115 Andrzej Hajda 2018-10-12 130 }
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 131
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 132 if (!IS_ENABLED(CONFIG_EXYNOS_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 133 return 0;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 134
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 135 if (!priv->mapping) {
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 136 void *mapping;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 137
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 138 if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 139 mapping = arm_iommu_create_mapping(&platform_bus_type,
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 140 EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 141 else if (IS_ENABLED(CONFIG_IOMMU_DMA))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 142 mapping = iommu_get_domain_for_dev(priv->dma_dev);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 143
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 @144 if (IS_ERR(mapping))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 145 return PTR_ERR(mapping);
In the attached config CONFIG_EXYNOS_IOMMU=y and the other configs are
disabled so it seems like this is a reasonable warning.
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 146 priv->mapping = mapping;
237556962e5115 Andrzej Hajda 2018-10-12 147 }
237556962e5115 Andrzej Hajda 2018-10-12 148
07dc3678bacc2a Marek Szyprowski 2020-03-09 149 return drm_iommu_attach_device(drm, dev, dma_priv);
237556962e5115 Andrzej Hajda 2018-10-12 150 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 38816 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread
* drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
@ 2020-10-25 19:01 kernel test robot
0 siblings, 0 replies; 14+ messages in thread
From: kernel test robot @ 2020-10-25 19:01 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 3662 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Robin Murphy <robin.murphy@arm.com>
CC: Joerg Roedel <jroedel@suse.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d76913908102044f14381df865bb74df17a538cb
commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs
date: 4 months ago
:::::: branch date: 23 hours ago
:::::: commit date: 4 months ago
config: i386-randconfig-m021-20201026 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping'.
vim +/mapping +144 drivers/gpu/drm/exynos/exynos_drm_dma.c
237556962e5115 Andrzej Hajda 2018-10-12 120
07dc3678bacc2a Marek Szyprowski 2020-03-09 121 int exynos_drm_register_dma(struct drm_device *drm, struct device *dev,
07dc3678bacc2a Marek Szyprowski 2020-03-09 122 void **dma_priv)
237556962e5115 Andrzej Hajda 2018-10-12 123 {
237556962e5115 Andrzej Hajda 2018-10-12 124 struct exynos_drm_private *priv = drm->dev_private;
237556962e5115 Andrzej Hajda 2018-10-12 125
237556962e5115 Andrzej Hajda 2018-10-12 126 if (!priv->dma_dev) {
237556962e5115 Andrzej Hajda 2018-10-12 127 priv->dma_dev = dev;
237556962e5115 Andrzej Hajda 2018-10-12 128 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n",
237556962e5115 Andrzej Hajda 2018-10-12 129 dev_name(dev));
237556962e5115 Andrzej Hajda 2018-10-12 130 }
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 131
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 132 if (!IS_ENABLED(CONFIG_EXYNOS_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 133 return 0;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 134
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 135 if (!priv->mapping) {
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 136 void *mapping;
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 137
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 138 if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 139 mapping = arm_iommu_create_mapping(&platform_bus_type,
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 140 EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 141 else if (IS_ENABLED(CONFIG_IOMMU_DMA))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 142 mapping = iommu_get_domain_for_dev(priv->dma_dev);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 143
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 @144 if (IS_ERR(mapping))
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 145 return PTR_ERR(mapping);
67fbf3a3ef8443 Andrzej Hajda 2018-10-12 146 priv->mapping = mapping;
237556962e5115 Andrzej Hajda 2018-10-12 147 }
237556962e5115 Andrzej Hajda 2018-10-12 148
07dc3678bacc2a Marek Szyprowski 2020-03-09 149 return drm_iommu_attach_device(drm, dev, dma_priv);
237556962e5115 Andrzej Hajda 2018-10-12 150 }
237556962e5115 Andrzej Hajda 2018-10-12 151
:::::: The code at line 144 was first introduced by commit
:::::: 67fbf3a3ef84436c58b5ead53b4b866125ad7ce9 drm/exynos/iommu: merge IOMMU and DMA code
:::::: TO: Andrzej Hajda <a.hajda@samsung.com>
:::::: CC: Inki Dae <inki.dae@samsung.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 38816 bytes --]
^ permalink raw reply [flat|nested] 14+ messages in thread
end of thread, other threads:[~2021-05-03 12:36 UTC | newest]
Thread overview: 14+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-04-13 0:14 drivers/gpu/drm/exynos/exynos_drm_dma.c:144 exynos_drm_register_dma() error: uninitialized symbol 'mapping' kernel test robot
-- strict thread matches above, loose matches on Subject: below --
2021-05-03 12:35 Dan Carpenter
2021-05-03 12:35 ` Dan Carpenter
2021-05-03 12:35 ` Dan Carpenter
2021-05-03 12:28 kernel test robot
2021-03-26 11:21 Dan Carpenter
2021-03-26 11:10 kernel test robot
2021-03-02 7:49 Dan Carpenter
2021-03-02 5:59 kernel test robot
2021-01-06 16:42 kernel test robot
2020-10-26 9:54 Dan Carpenter
2020-10-26 9:54 ` Dan Carpenter
2020-10-26 9:54 ` Dan Carpenter
2020-10-25 19:01 kernel test robot
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