| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <202207060229.nZBDhhNX-lkp@intel.com>
Date: Wed, 6 Jul 2022 02:48:54 +0800
From: kernel test robot <lkp@...el.com>
To: Coly Li <colyli@...e.de>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [colyli-bcache:nvdimm-meta 16/16]
arch/alpha/include/asm/string.h:37:32: warning: argument 1 null where
non-null expected
tree: https://git.kernel.org/pub/scm/linux/kernel/git/colyli/linux-bcache.git nvdimm-meta
head: 5c8259ab2129816fc49fd6d060206ba61b0594d1
commit: 5c8259ab2129816fc49fd6d060206ba61b0594d1 [16/16] bcache: support storing bcache btree nodes into NVDIMM meta device
config: alpha-randconfig-r013-20220703 (https://download.01.org/0day-ci/archive/20220706/202207060229.nZBDhhNX-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/colyli/linux-bcache.git/commit/?id=5c8259ab2129816fc49fd6d060206ba61b0594d1
git remote add colyli-bcache https://git.kernel.org/pub/scm/linux/kernel/git/colyli/linux-bcache.git
git fetch --no-tags colyli-bcache nvdimm-meta
git checkout 5c8259ab2129816fc49fd6d060206ba61b0594d1
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=alpha SHELL=/bin/bash drivers/md/bcache/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from drivers/md/bcache/nvmpg.h:8,
from drivers/md/bcache/alloc.c:66:
drivers/md/bcache/nvmpg_format.h:132:19: warning: 'bch_nvmpg_recs_magic' defined but not used [-Wunused-const-variable=]
132 | static const __u8 bch_nvmpg_recs_magic[] = {
| ^~~~~~~~~~~~~~~~~~~~
drivers/md/bcache/nvmpg_format.h:129:19: warning: 'bch_nvmpg_magic' defined but not used [-Wunused-const-variable=]
129 | static const __u8 bch_nvmpg_magic[] = {
| ^~~~~~~~~~~~~~~
In file included from include/linux/string.h:20,
from include/linux/bitmap.h:11,
from include/linux/cpumask.h:12,
from include/linux/smp.h:13,
from include/linux/lockdep.h:14,
from include/linux/spinlock.h:62,
from include/linux/wait.h:9,
from include/linux/mempool.h:8,
from include/linux/bio.h:8,
from drivers/md/bcache/bcache.h:181,
from drivers/md/bcache/alloc.c:64:
In function '__memset',
inlined from '__bch_nvmpg_bucket_free' at drivers/md/bcache/alloc.c:488:2,
inlined from 'bch_bucket_free' at drivers/md/bcache/alloc.c:497:3:
>> arch/alpha/include/asm/string.h:37:32: warning: argument 1 null where non-null expected [-Wnonnull]
37 | return __builtin_memset(s, c, n);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/md/bcache/alloc.c: In function 'bch_bucket_free':
arch/alpha/include/asm/string.h:37:32: note: in a call to built-in function '__builtin_memset'
vim +37 arch/alpha/include/asm/string.h
^1da177e4c3f41 include/asm-alpha/string.h Linus Torvalds 2005-04-16 29
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 30 /* For gcc 3.x, we cannot have the inline function named "memset" because
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 31 the __builtin_memset will attempt to resolve to the inline as well,
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 32 leading to a "sorry" about unimplemented recursive inlining. */
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 33 extern inline void *__memset(void *s, int c, size_t n)
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 34 {
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 35 if (__builtin_constant_p(c)) {
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 36 if (__builtin_constant_p(n)) {
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 @37 return __builtin_memset(s, c, n);
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 38 } else {
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 39 unsigned long c8 = (c & 0xff) * 0x0101010101010101UL;
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 40 return __constant_c_memset(s, c8, n);
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 41 }
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 42 }
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 43 return ___memset(s, c, n);
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 44 }
a47e5bb5764f02 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 45
:::::: The code at line 37 was first introduced by commit
:::::: a47e5bb5764f029f989a182b0dd2d4cce69f8b14 alpha: Eliminate compiler warning from memset macro
:::::: TO: Richard Henderson <rth@...ddle.net>
:::::: CC: Matt Turner <mattst88@...il.com>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
Powered by blists - more mailing lists