From 39cdcbcdcdab66749e31cd738d689e1d9cd9202c Mon Sep 17 00:00:00 2001
From: V0idk <1439808922@qq.com>
Date: Wed, 3 Oct 2018 01:51:33 +0800
Subject: [PATCH 1/2] Optimize strspn.

Variable count is redundant.
---
 lib/string.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/string.c b/lib/string.c
index 2c0900a5d51a2a..93a70ba695a5af 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -513,7 +513,6 @@ size_t strspn(const char *s, const char *accept)
 {
 	const char *p;
 	const char *a;
-	size_t count = 0;
 
 	for (p = s; *p != '\0'; ++p) {
 		for (a = accept; *a != '\0'; ++a) {
@@ -521,10 +520,9 @@ size_t strspn(const char *s, const char *accept)
 				break;
 		}
 		if (*a == '\0')
-			return count;
-		++count;
+			p - s;
 	}
-	return count;
+	return p - s;
 }
 
 EXPORT_SYMBOL(strspn);

From e2a3d75cd645ebeaa272e01a8bc4212abff30238 Mon Sep 17 00:00:00 2001
From: V0idk <1439808922@qq.com>
Date: Fri, 5 Oct 2018 00:36:42 +0800
Subject: [PATCH 2/2] Update string.c

---
 lib/string.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/string.c b/lib/string.c
index 93a70ba695a5af..e87d713776b477 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -520,7 +520,7 @@ size_t strspn(const char *s, const char *accept)
 				break;
 		}
 		if (*a == '\0')
-			p - s;
+			return p - s;
 	}
 	return p - s;
 }