f2fs: use strncasecmp() simplify the string comparison
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 7e43f68..2a5359c 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -83,21 +83,11 @@
{
size_t slen = strlen(s);
size_t sublen = strlen(sub);
- int ret;
if (sublen > slen)
return 0;
- ret = memcmp(s + slen - sublen, sub, sublen);
- if (ret) { /* compare upper case */
- int i;
- char upper_sub[8];
- for (i = 0; i < sublen && i < sizeof(upper_sub); i++)
- upper_sub[i] = toupper(sub[i]);
- return !memcmp(s + slen - sublen, upper_sub, sublen);
- }
-
- return !ret;
+ return !strncasecmp(s + slen - sublen, sub, sublen);
}
/*