* [intel-tdx:guest-rebased 115/133] kernel/dma/swiotlb.c:433:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless.
@ 2022-02-16 4:19 kernel test robot
2022-02-16 4:11 ` [PATCH] swiotlb: fix alloc_cast.cocci warnings kernel test robot
0 siblings, 1 reply; 4+ messages in thread
From: kernel test robot @ 2022-02-16 4:19 UTC (permalink / raw)
To: Andi Kleen; +Cc: kbuild-all, linux-kernel, Kirill A. Shutemov
tree: https://github.com/intel/tdx.git guest-rebased
head: 36c91f6d572820e8556972fd7644bd96798e85d6
commit: 77d5cb1c6d4fe32593d65a38b4732da6c90b8f29 [115/133] swiotlb: Split up single swiotlb lock
config: x86_64-randconfig-c002-20220214 (https://download.01.org/0day-ci/archive/20220216/202202161256.1zrqppDy-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
cocci warnings: (new ones prefixed by >>)
>> kernel/dma/swiotlb.c:433:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless.
Please review and possibly fold the followup patch.
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH] swiotlb: fix alloc_cast.cocci warnings
2022-02-16 4:19 [intel-tdx:guest-rebased 115/133] kernel/dma/swiotlb.c:433:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless kernel test robot
@ 2022-02-16 4:11 ` kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2022-02-16 4:11 UTC (permalink / raw)
To: Andi Kleen; +Cc: kbuild-all, linux-kernel, Kirill A. Shutemov
From: kernel test robot <lkp@intel.com>
kernel/dma/swiotlb.c:433:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless.
Remove casting the values returned by memory allocation functions
like kmalloc, kzalloc, kmem_cache_alloc, kmem_cache_zalloc etc.
Semantic patch information:
This makes an effort to find cases of casting of values returned by
kmalloc, kzalloc, kcalloc, kmem_cache_alloc, kmem_cache_zalloc,
kmem_cache_alloc_node, kmalloc_node and kzalloc_node and removes
the casting as it is not required. The result in the patch case may
need some reformatting.
Generated by: scripts/coccinelle/api/alloc/alloc_cast.cocci
Fixes: 77d5cb1c6d4f ("swiotlb: Split up single swiotlb lock")
CC: Andi Kleen <ak@linux.intel.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---
tree: https://github.com/intel/tdx.git guest-rebased
head: 36c91f6d572820e8556972fd7644bd96798e85d6
commit: 77d5cb1c6d4fe32593d65a38b4732da6c90b8f29 [115/133] swiotlb: Split up single swiotlb lock
:::::: branch date: 19 hours ago
:::::: commit date: 2 weeks ago
kernel/dma/swiotlb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -430,7 +430,7 @@ swiotlb_late_init_with_tbl(char *tlb, un
return -ENOMEM;
}
- mem->areas = (struct io_tlb_area *)kcalloc(num_areas,
+ mem->areas = kcalloc(num_areas,
sizeof(struct io_tlb_area),
GFP_KERNEL);
if (!mem->areas) {
^ permalink raw reply [flat|nested] 4+ messages in thread
* [intel-tdx:guest-rebased 65/83] kernel/dma/swiotlb.c:433:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless.
@ 2022-03-26 8:10 kernel test robot
2022-03-26 8:09 ` [PATCH] swiotlb: fix alloc_cast.cocci warnings kernel test robot
0 siblings, 1 reply; 4+ messages in thread
From: kernel test robot @ 2022-03-26 8:10 UTC (permalink / raw)
To: Andi Kleen; +Cc: kbuild-all, linux-kernel, Kuppuswamy Sathyanarayanan
tree: https://github.com/intel/tdx.git guest-rebased
head: 4c095660b91dbdd18042456e395af0deeef93485
commit: 4ab45cefa80f97ba2bdc31226523c891832d1080 [65/83] swiotlb: Split up single swiotlb lock
config: s390-randconfig-c023-20220324 (https://download.01.org/0day-ci/archive/20220326/202203261644.zQlZ2Jw4-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 11.2.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
cocci warnings: (new ones prefixed by >>)
>> kernel/dma/swiotlb.c:433:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless.
Please review and possibly fold the followup patch.
--
0-DAY CI Kernel Test Service
https://01.org/lkp
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH] swiotlb: fix alloc_cast.cocci warnings
2022-03-26 8:10 [intel-tdx:guest-rebased 65/83] kernel/dma/swiotlb.c:433:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless kernel test robot
@ 2022-03-26 8:09 ` kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2022-03-26 8:09 UTC (permalink / raw)
To: Andi Kleen; +Cc: kbuild-all, linux-kernel, Kuppuswamy Sathyanarayanan
From: kernel test robot <lkp@intel.com>
kernel/dma/swiotlb.c:433:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless.
Remove casting the values returned by memory allocation functions
like kmalloc, kzalloc, kmem_cache_alloc, kmem_cache_zalloc etc.
Semantic patch information:
This makes an effort to find cases of casting of values returned by
kmalloc, kzalloc, kcalloc, kmem_cache_alloc, kmem_cache_zalloc,
kmem_cache_alloc_node, kmalloc_node and kzalloc_node and removes
the casting as it is not required. The result in the patch case may
need some reformatting.
Generated by: scripts/coccinelle/api/alloc/alloc_cast.cocci
Fixes: 4ab45cefa80f ("swiotlb: Split up single swiotlb lock")
CC: Andi Kleen <ak@linux.intel.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---
tree: https://github.com/intel/tdx.git guest-rebased
head: 4c095660b91dbdd18042456e395af0deeef93485
commit: 4ab45cefa80f97ba2bdc31226523c891832d1080 [65/83] swiotlb: Split up single swiotlb lock
:::::: branch date: 13 hours ago
:::::: commit date: 3 days ago
kernel/dma/swiotlb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -430,7 +430,7 @@ swiotlb_late_init_with_tbl(char *tlb, un
return -ENOMEM;
}
- mem->areas = (struct io_tlb_area *)kcalloc(num_areas,
+ mem->areas = kcalloc(num_areas,
sizeof(struct io_tlb_area),
GFP_KERNEL);
if (!mem->areas) {
^ permalink raw reply [flat|nested] 4+ messages in thread
* [intel-tdx:guest 129/144] kernel/dma/swiotlb.c:389:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless.
@ 2021-11-20 8:33 kernel test robot
2021-11-20 8:33 ` [PATCH] swiotlb: fix alloc_cast.cocci warnings kernel test robot
0 siblings, 1 reply; 4+ messages in thread
From: kernel test robot @ 2021-11-20 8:33 UTC (permalink / raw)
To: Andi Kleen; +Cc: kbuild-all, linux-kernel, Kuppuswamy Sathyanarayanan
[-- Attachment #1: Type: text/plain, Size: 751 bytes --]
tree: https://github.com/intel/tdx.git guest
head: 41fe88a1b3c28543f49fa6ed9e0e9b6650ed7614
commit: 4529b5784c141782c72ec9bd9a92df2b68cb7d45 [129/144] swiotlb: Split up single swiotlb lock
config: x86_64-randconfig-c002-20211118 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
cocci warnings: (new ones prefixed by >>)
>> kernel/dma/swiotlb.c:389:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless.
Please review and possibly fold the followup patch.
---
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: 34513 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH] swiotlb: fix alloc_cast.cocci warnings
2021-11-20 8:33 [intel-tdx:guest 129/144] kernel/dma/swiotlb.c:389:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless kernel test robot
@ 2021-11-20 8:33 ` kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2021-11-20 8:33 UTC (permalink / raw)
To: Andi Kleen; +Cc: kbuild-all, linux-kernel, Kuppuswamy Sathyanarayanan
From: kernel test robot <lkp@intel.com>
kernel/dma/swiotlb.c:389:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless.
Remove casting the values returned by memory allocation functions
like kmalloc, kzalloc, kmem_cache_alloc, kmem_cache_zalloc etc.
Semantic patch information:
This makes an effort to find cases of casting of values returned by
kmalloc, kzalloc, kcalloc, kmem_cache_alloc, kmem_cache_zalloc,
kmem_cache_alloc_node, kmalloc_node and kzalloc_node and removes
the casting as it is not required. The result in the patch case may
need some reformatting.
Generated by: scripts/coccinelle/api/alloc/alloc_cast.cocci
Fixes: 4529b5784c14 ("swiotlb: Split up single swiotlb lock")
CC: Andi Kleen <ak@linux.intel.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---
tree: https://github.com/intel/tdx.git guest
head: 41fe88a1b3c28543f49fa6ed9e0e9b6650ed7614
commit: 4529b5784c141782c72ec9bd9a92df2b68cb7d45 [129/144] swiotlb: Split up single swiotlb lock
:::::: branch date: 9 days ago
:::::: commit date: 9 days ago
swiotlb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -386,7 +386,7 @@ swiotlb_late_init_with_tbl(char *tlb, un
return -ENOMEM;
}
- mem->areas = (struct io_tlb_area *)kcalloc(num_areas,
+ mem->areas = kcalloc(num_areas,
sizeof(struct io_tlb_area),
GFP_KERNEL);
if (!mem->areas) {
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2022-03-26 8:09 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2022-02-16 4:11 ` [PATCH] swiotlb: fix alloc_cast.cocci warnings kernel test robot
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2022-03-26 8:10 [intel-tdx:guest-rebased 65/83] kernel/dma/swiotlb.c:433:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless kernel test robot
2022-03-26 8:09 ` [PATCH] swiotlb: fix alloc_cast.cocci warnings kernel test robot
2021-11-20 8:33 [intel-tdx:guest 129/144] kernel/dma/swiotlb.c:389:15-33: WARNING: casting value returned by memory allocation function to (struct io_tlb_area *) is useless kernel test robot
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