CC: [email protected] BCC: [email protected] CC: [email protected] TO: Arnd Bergmann <[email protected]> CC: Michael Ellerman <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 52d543b5497cf31d6baeb0bcfe5a5474c3238578 commit: a2305e3de819394a7adf68078964a92d06f9db33 powerpc: mark local variables around longjmp as volatile date: 9 months ago :::::: branch date: 11 hours ago :::::: commit date: 9 months ago compiler: powerpc-linux-gcc (GCC) 11.2.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> 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 <[email protected]> :::::: CC: Linus Torvalds <[email protected]> -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
