diff --git a/lib/kstrtox.c b/lib/kstrtox.c
index bf85e05ce85815a0fb36ab26f9e5642dd455ae1a..90013f4841c77b35935009d313363e2e7b02c0d7 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')