From 512750ef8b06290a55d749239f956f9c21d7daca Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 10 Jul 2017 15:51:38 -0700
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@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 lib/kstrtox.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/kstrtox.c b/lib/kstrtox.c
index bf85e05ce858..90013f4841c7 100644
--- a/lib/kstrtox.c
+++ b/lib/kstrtox.c
@@ -51,7 +51,7 @@ unsigned int _parse_integer(const char *s, unsigned int base, unsigned long long
 
 	res = 0;
 	rv = 0;
-	while (*s) {
+	while (1) {
 		unsigned int val;
 
 		if ('0' <= *s && *s <= '9')
-- 
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