Many uses of strncpy() on sh causes a warning like arch/sh/include/asm/string_32.h:50:42: warning: array subscript is above array bounds [-Warray-bounds]
This avoids the warning by turning the pointer arithmetic into an integer operation that does not get checked the same way. Signed-off-by: Arnd Bergmann <[email protected]> --- arch/sh/include/asm/string_32.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/sh/include/asm/string_32.h b/arch/sh/include/asm/string_32.h index 55f8db6bc1d7..98ddb5bbd3b8 100644 --- a/arch/sh/include/asm/string_32.h +++ b/arch/sh/include/asm/string_32.h @@ -47,7 +47,7 @@ static inline char *strncpy(char *__dest, const char *__src, size_t __n) " add #1, %0\n" "2:" : "=r" (__dest), "=r" (__src), "=&z" (__dummy) - : "0" (__dest), "1" (__src), "r" (__src+__n) + : "0" (__dest), "1" (__src), "r" ((uintptr_t)__src+__n) : "memory", "t"); return __xdest; @@ -105,7 +105,7 @@ static inline int strncmp(const char *__cs, const char *__ct, size_t __n) "sub %3, %2\n" "3:" :"=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy) - : "0" (__cs), "1" (__ct), "r" (__cs+__n) + : "0" (__cs), "1" (__ct), "r" ((uintptr_t)__cs+__n) : "t"); return __res; -- 2.9.0
