On Fri, 4 Dec 2015 22:27:36 +0800 kbuild test robot <lkp@xxxxxxxxx> wrote: > [auto build test WARNING on next-20151203] > [cannot apply to tip/x86/core kbuild/rc-fixes v4.4-rc3 v4.4-rc2 v4.4-rc1 v4.4-rc3] > > url: https://github.com/0day-ci/linux/commits/Andrey-Ryabinin/UBSAN-run-time-undefined-behavior-sanity-checker/20151204-202547 > config: i386-allmodconfig (attached as .config) > reproduce: > # save the attached .config to linux build tree > make ARCH=i386 > > All warnings (new ones prefixed by >>): > > lib/ubsan.c: In function 'val_to_string': > >> lib/ubsan.c:121:8: warning: unused variable 'val' [-Wunused-variable] > u_max val = get_unsigned_val(type, value); I did this. --- a/lib/ubsan.c~ubsan-run-time-undefined-behavior-sanity-checker-fix +++ a/lib/ubsan.c @@ -118,11 +118,11 @@ static u_max get_unsigned_val(struct typ static void val_to_string(char *str, size_t size, struct type_descriptor *type, unsigned long value) { - u_max val = get_unsigned_val(type, value); - if (type_is_int(type)) { if (type_bit_width(type) == 128) { #ifdef CONFIG_ARCH_SUPPORTS_INT128 + u_max val = get_unsigned_val(type, value); + scnprintf(str, size, "0x%08x%08x%08x%08x", (u32)(val >> 96), (u32)(val >> 64), -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
