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Message-ID: <202408110304.CRXk8u09-lkp@intel.com>
Date: Sun, 11 Aug 2024 04:05:49 +0800
From: kernel test robot <lkp@...el.com>
To: "Gustavo A. R. Silva" <gustavoars@...nel.org>,
Miri Korenblit <miriam.rachel.korenblit@...el.com>,
Kalle Valo <kvalo@...nel.org>,
Johannes Berg <johannes@...solutions.net>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
Cc: oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org,
linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
"Gustavo A. R. Silva" <gustavoars@...nel.org>,
linux-hardening@...r.kernel.org
Subject: Re: [PATCH v2][next] wifi: iwlwifi: mvm: Use __counted_by() and
avoid -Wfamnae warnings
Hi Gustavo,
kernel test robot noticed the following build errors:
[auto build test ERROR on wireless-next/main]
[also build test ERROR on wireless/main linus/master v6.11-rc2 next-20240809]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Gustavo-A-R-Silva/wifi-iwlwifi-mvm-Use-__counted_by-and-avoid-Wfamnae-warnings/20240810-103759
base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main
patch link: https://lore.kernel.org/r/ZrZs5KL5Pz9tIinr%40cute
patch subject: [PATCH v2][next] wifi: iwlwifi: mvm: Use __counted_by() and avoid -Wfamnae warnings
config: sparc-allmodconfig (https://download.01.org/0day-ci/archive/20240811/202408110304.CRXk8u09-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240811/202408110304.CRXk8u09-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/202408110304.CRXk8u09-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from <command-line>:
drivers/net/wireless/intel/iwlwifi/mvm/d3.c: In function 'iwl_mvm_gtk_rekey':
>> include/linux/compiler_types.h:510:45: error: call to '__compiletime_assert_821' declared with attribute error: BUILD_BUG_ON failed: conf->keylen < WLAN_KEY_LEN_CCMP
510 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:491:25: note: in definition of macro '__compiletime_assert'
491 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:510:9: note: in expansion of macro '_compiletime_assert'
510 | _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/intel/iwlwifi/mvm/d3.c:2148:9: note: in expansion of macro 'BUILD_BUG_ON'
2148 | BUILD_BUG_ON(conf->keylen < WLAN_KEY_LEN_CCMP);
| ^~~~~~~~~~~~
>> include/linux/compiler_types.h:510:45: error: call to '__compiletime_assert_822' declared with attribute error: BUILD_BUG_ON failed: conf->keylen < WLAN_KEY_LEN_GCMP_256
510 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:491:25: note: in definition of macro '__compiletime_assert'
491 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:510:9: note: in expansion of macro '_compiletime_assert'
510 | _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/intel/iwlwifi/mvm/d3.c:2149:9: note: in expansion of macro 'BUILD_BUG_ON'
2149 | BUILD_BUG_ON(conf->keylen < WLAN_KEY_LEN_GCMP_256);
| ^~~~~~~~~~~~
vim +/__compiletime_assert_821 +510 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 496
eb5c2d4b45e3d2 Will Deacon 2020-07-21 497 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 498 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 499
eb5c2d4b45e3d2 Will Deacon 2020-07-21 500 /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 501 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 502 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21 503 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 504 *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 505 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 506 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 507 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21 508 */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 509 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @510 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 511
--
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https://github.com/intel/lkp-tests/wiki
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