include/linux/compiler_types.h:397:45: error: call to '__compiletime_assert_405' declared with attribute error: BUILD_BUG_ON failed: sizeof(mstat) > sizeof(skb->cb)
From: kernel test robot
Date: Sun Apr 07 2024 - 11:21:21 EST
Hi Shayne,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f2f80ac809875855ac843f9e5e7480604b5cbff5
commit: 021af945997ffaeaa37c9673d71afad7cde6bdef wifi: mt76: mt7996: add eht rx rate support
date: 12 months ago
config: arm-randconfig-r132-20240407 (https://download.01.org/0day-ci/archive/20240407/202404072357.9jgMQDqd-lkp@xxxxxxxxx/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240407/202404072357.9jgMQDqd-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404072357.9jgMQDqd-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
In file included from <command-line>:
In function 'mt76_rx_convert',
inlined from 'mt76_rx_complete' at drivers/net/wireless/mediatek/mt76/mac80211.c:1334:3:
>> include/linux/compiler_types.h:397:45: error: call to '__compiletime_assert_405' declared with attribute error: BUILD_BUG_ON failed: sizeof(mstat) > sizeof(skb->cb)
397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:378:25: note: in definition of macro '__compiletime_assert'
378 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert'
397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
drivers/net/wireless/mediatek/mt76/mac80211.c:1094:9: note: in expansion of macro 'BUILD_BUG_ON'
1094 | BUILD_BUG_ON(sizeof(mstat) > sizeof(skb->cb));
| ^~~~~~~~~~~~
vim +/__compiletime_assert_405 +397 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 383
eb5c2d4b45e3d2 Will Deacon 2020-07-21 384 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 385 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 386
eb5c2d4b45e3d2 Will Deacon 2020-07-21 387 /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 388 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 389 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21 390 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 391 *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 392 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 393 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 394 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21 395 */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 396 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @397 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 398
:::::: The code at line 397 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h
:::::: TO: Will Deacon <will@xxxxxxxxxx>
:::::: CC: Will Deacon <will@xxxxxxxxxx>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki