From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: arch/powerpc/xmon/xmon.c:3745:6: warning: Uninitialized variable: name [uninitvar]
Date: Sun, 30 Jan 2022 16:53:00 +0800 [thread overview]
Message-ID: <202201301307.UAnZQziX-lkp@intel.com> (raw)
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CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Arnd Bergmann <arnd@arndb.de>
CC: Michael Ellerman <mpe@ellerman.id.au>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f8c7e4ede46fe63ff10000669652648aab09d112
commit: a2305e3de819394a7adf68078964a92d06f9db33 powerpc: mark local variables around longjmp as volatile
date: 7 months ago
:::::: branch date: 13 hours ago
:::::: commit date: 7 months ago
compiler: powerpc64le-linux-gcc (GCC) 11.2.0
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)
>> arch/powerpc/xmon/xmon.c:3745:6: warning: Uninitialized variable: name [uninitvar]
if (name) {
^
vim +3745 arch/powerpc/xmon/xmon.c
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3722
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3723
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3724 /* Print an address in numeric and symbolic form (if possible) */
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3725 static void xmon_print_symbol(unsigned long address, const char *mid,
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3726 const char *after)
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3727 {
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3728 char *modname;
a2305e3de81939 arch/powerpc/xmon/xmon.c Arnd Bergmann 2021-04-29 3729 const char *volatile name = NULL;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3730 unsigned long offset, size;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3731
f78541dcec327b arch/powerpc/xmon/xmon.c Paul Mackerras 2005-10-28 3732 printf(REG, address);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3733 if (setjmp(bus_error_jmp) == 0) {
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3734 catch_memory_errors = 1;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3735 sync();
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3736 name = kallsyms_lookup(address, &size, &offset, &modname,
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3737 tmpstr);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3738 sync();
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3739 /* wait a little while to see if we get a machine check */
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3740 __delay(200);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3741 }
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3742
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3743 catch_memory_errors = 0;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3744
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 @3745 if (name) {
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3746 printf("%s%s+%#lx/%#lx", mid, name, offset, size);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3747 if (modname)
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3748 printf(" [%s]", modname);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3749 }
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3750 printf("%s", after);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3751 }
^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 3752
:::::: The code at line 3745 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
next reply other threads:[~2022-01-30 8:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-30 8:53 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-03-26 12:15 arch/powerpc/xmon/xmon.c:3745:6: warning: Uninitialized variable: name [uninitvar] kernel test robot
2022-03-10 0:04 kernel test robot
2022-01-19 6:27 kernel test robot
2022-01-18 11:14 kernel test robot
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