From: Cong Ding <dinggnu@gmail.com>
Date: Sat, 2 Feb 2013 03:33:21 +0000 (-0500)
Subject: ext4: reduce one "if" comparison in ext4_dirhash()
X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=0e79537d30f9dd66ccef70f1c7571594088e30be;p=linux-edison.git

ext4: reduce one "if" comparison in ext4_dirhash()

It is unnecessary to check i<4 after the loop; just do it before the
break.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---

diff --git a/fs/ext4/hash.c b/fs/ext4/hash.c
index fa8e4911d35..3d586f02883 100644
--- a/fs/ext4/hash.c
+++ b/fs/ext4/hash.c
@@ -155,11 +155,11 @@ int ext4fs_dirhash(const char *name, int len, struct dx_hash_info *hinfo)
 	/* Check to see if the seed is all zero's */
 	if (hinfo->seed) {
 		for (i = 0; i < 4; i++) {
-			if (hinfo->seed[i])
+			if (hinfo->seed[i]) {
+				memcpy(buf, hinfo->seed, sizeof(buf));
 				break;
+			}
 		}
-		if (i < 4)
-			memcpy(buf, hinfo->seed, sizeof(buf));
 	}
 
 	switch (hinfo->hash_version) {