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Message-ID: <202309120232.7wrRuydH-lkp@intel.com>
Date: Tue, 12 Sep 2023 02:40:36 +0800
From: kernel test robot <lkp@...el.com>
To: David Gow <davidgow@...gle.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-kernel@...r.kernel.org,
Shuah Khan <skhan@...uxfoundation.org>,
Benjamin Berg <benjamin.berg@...el.com>,
Maxime Ripard <maxime@...no.tech>
Subject: lib/kunit/test.c:764:38: warning: cast from 'void (*)(const void *)'
to 'kunit_action_t *' (aka 'void (*)(void *)') converts to incompatible
function type
Hi David,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0bb80ecc33a8fb5a682236443c1e740d5c917d1d
commit: 57e3cded99e9c840bc5310878d0a7f4e7768a296 kunit: kmalloc_array: Use kunit_add_action()
date: 4 months ago
config: x86_64-randconfig-013-20230909 (https://download.01.org/0day-ci/archive/20230912/202309120232.7wrRuydH-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230912/202309120232.7wrRuydH-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309120232.7wrRuydH-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> lib/kunit/test.c:764:38: warning: cast from 'void (*)(const void *)' to 'kunit_action_t *' (aka 'void (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict]
if (kunit_add_action_or_reset(test, (kunit_action_t *)kfree, data) != 0)
^~~~~~~~~~~~~~~~~~~~~~~
lib/kunit/test.c:776:29: warning: cast from 'void (*)(const void *)' to 'kunit_action_t *' (aka 'void (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict]
kunit_release_action(test, (kunit_action_t *)kfree, (void *)ptr);
^~~~~~~~~~~~~~~~~~~~~~~
2 warnings generated.
vim +764 lib/kunit/test.c
754
755 void *kunit_kmalloc_array(struct kunit *test, size_t n, size_t size, gfp_t gfp)
756 {
757 void *data;
758
759 data = kmalloc_array(n, size, gfp);
760
761 if (!data)
762 return NULL;
763
> 764 if (kunit_add_action_or_reset(test, (kunit_action_t *)kfree, data) != 0)
765 return NULL;
766
767 return data;
768 }
769 EXPORT_SYMBOL_GPL(kunit_kmalloc_array);
770
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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