* [weiny2:tip-pks-v4-5.12-rc 20/23] drivers/dax/super.c:350:7: warning: Unused variable: avail [unusedVariable]
@ 2021-04-08 5:58 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-04-08 5:58 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 2102 bytes --]
tree: https://github.com/weiny2/linux-kernel.git tip-pks-v4-5.12-rc
head: b8f2dcd125fa7a88ac29aabf06ff75ee220feb12
commit: 540c4a742db589e1cfba54ce1a26615b234f3790 [20/23] dax: Stray access protection for dax_direct_access()
compiler: sparc64-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>
cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
>> drivers/dax/super.c:350:7: warning: Unused variable: avail [unusedVariable]
long avail;
^
vim +350 drivers/dax/super.c
b0686260fecaa9 Dan Williams 2017-01-26 341
540c4a742db589 Ira Weiny 2020-06-04 342 /**
540c4a742db589 Ira Weiny 2020-06-04 343 * dax_release_direct_access() - translate a device pgoff to an absolute pfn
540c4a742db589 Ira Weiny 2020-06-04 344 *
540c4a742db589 Ira Weiny 2020-06-04 345 * @dax_dev: a dax_device instance representing the logical memory range
540c4a742db589 Ira Weiny 2020-06-04 346 * @kaddr: virtual address returned from dax_direct_access()
540c4a742db589 Ira Weiny 2020-06-04 347 */
540c4a742db589 Ira Weiny 2020-06-04 348 void dax_release_direct_access(struct dax_device *dax_dev, void *kaddr)
540c4a742db589 Ira Weiny 2020-06-04 349 {
540c4a742db589 Ira Weiny 2020-06-04 @350 long avail;
540c4a742db589 Ira Weiny 2020-06-04 351
540c4a742db589 Ira Weiny 2020-06-04 352 if (!dax_dev || !dax_alive(dax_dev))
540c4a742db589 Ira Weiny 2020-06-04 353 return;
540c4a742db589 Ira Weiny 2020-06-04 354
540c4a742db589 Ira Weiny 2020-06-04 355 if (dax_dev->ops->release_direct_access)
540c4a742db589 Ira Weiny 2020-06-04 356 dax_dev->ops->release_direct_access(kaddr);
540c4a742db589 Ira Weiny 2020-06-04 357 }
540c4a742db589 Ira Weiny 2020-06-04 358 EXPORT_SYMBOL_GPL(dax_release_direct_access);
540c4a742db589 Ira Weiny 2020-06-04 359
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
^ permalink raw reply [flat|nested] 2+ messages in thread
* [weiny2:tip-pks-v4-5.12-rc 20/23] drivers/dax/super.c:350:7: warning: Unused variable: avail [unusedVariable]
@ 2021-04-08 5:53 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-04-08 5:53 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 2240 bytes --]
CC: kbuild-all(a)lists.01.org
TO: Ira Weiny <ira.weiny@intel.com>
tree: https://github.com/weiny2/linux-kernel.git tip-pks-v4-5.12-rc
head: b8f2dcd125fa7a88ac29aabf06ff75ee220feb12
commit: 540c4a742db589e1cfba54ce1a26615b234f3790 [20/23] dax: Stray access protection for dax_direct_access()
:::::: branch date: 31 hours ago
:::::: commit date: 31 hours ago
compiler: sparc64-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>
cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
>> drivers/dax/super.c:350:7: warning: Unused variable: avail [unusedVariable]
long avail;
^
vim +350 drivers/dax/super.c
b0686260fecaa9 Dan Williams 2017-01-26 341
540c4a742db589 Ira Weiny 2020-06-04 342 /**
540c4a742db589 Ira Weiny 2020-06-04 343 * dax_release_direct_access() - translate a device pgoff to an absolute pfn
540c4a742db589 Ira Weiny 2020-06-04 344 *
540c4a742db589 Ira Weiny 2020-06-04 345 * @dax_dev: a dax_device instance representing the logical memory range
540c4a742db589 Ira Weiny 2020-06-04 346 * @kaddr: virtual address returned from dax_direct_access()
540c4a742db589 Ira Weiny 2020-06-04 347 */
540c4a742db589 Ira Weiny 2020-06-04 348 void dax_release_direct_access(struct dax_device *dax_dev, void *kaddr)
540c4a742db589 Ira Weiny 2020-06-04 349 {
540c4a742db589 Ira Weiny 2020-06-04 @350 long avail;
540c4a742db589 Ira Weiny 2020-06-04 351
540c4a742db589 Ira Weiny 2020-06-04 352 if (!dax_dev || !dax_alive(dax_dev))
540c4a742db589 Ira Weiny 2020-06-04 353 return;
540c4a742db589 Ira Weiny 2020-06-04 354
540c4a742db589 Ira Weiny 2020-06-04 355 if (dax_dev->ops->release_direct_access)
540c4a742db589 Ira Weiny 2020-06-04 356 dax_dev->ops->release_direct_access(kaddr);
540c4a742db589 Ira Weiny 2020-06-04 357 }
540c4a742db589 Ira Weiny 2020-06-04 358 EXPORT_SYMBOL_GPL(dax_release_direct_access);
540c4a742db589 Ira Weiny 2020-06-04 359
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
^ permalink raw reply [flat|nested] 2+ messages in thread
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