diff --git a/[refs] b/[refs]
index 7e95d1076281..ba4aeeedc9bc 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ea00c30b5b31baa91be29bee966204eccc15e9d3
+refs/heads/master: 5d051decfc27cdf33fbbd2bfca958d0d2c903569
diff --git a/trunk/lib/parser.c b/trunk/lib/parser.c
index fb34977246bb..6e89eca5cca0 100644
--- a/trunk/lib/parser.c
+++ b/trunk/lib/parser.c
@@ -128,12 +128,13 @@ static int match_number(substring_t *s, int *result, int base)
 	char *endp;
 	char *buf;
 	int ret;
+	size_t len = s->to - s->from;
 
-	buf = kmalloc(s->to - s->from + 1, GFP_KERNEL);
+	buf = kmalloc(len + 1, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
-	memcpy(buf, s->from, s->to - s->from);
-	buf[s->to - s->from] = '\0';
+	memcpy(buf, s->from, len);
+	buf[len] = '\0';
 	*result = simple_strtol(buf, &endp, base);
 	ret = 0;
 	if (endp == buf)