From: Alexey Dobriyan <adobriyan@xxxxxxxxx> Subject: lib/kstrtox.c: delete end-of-string test Standard "while (*s)" test is unnecessary because NUL won't pass valid-digit test anyway. Save one branch per parsed character. Link: http://lkml.kernel.org/r/20170514193756.GA32563@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/kstrtox.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN lib/kstrtox.c~kstrtox-delete-end-of-string-test lib/kstrtox.c --- a/lib/kstrtox.c~kstrtox-delete-end-of-string-test +++ a/lib/kstrtox.c @@ -51,7 +51,7 @@ unsigned int _parse_integer(const char * res = 0; rv = 0; - while (*s) { + while (1) { unsigned int val; if ('0' <= *s && *s <= '9') _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html