From: Holger Brunck <holger.brunck@keymile.com>
Date: Mon, 8 Jul 2013 07:06:49 +0000 (+0200)
Subject: cramfs: fix bug for wrong filename comparison
X-Git-Tag: v2013.07~23
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=457dd025a2899dd486e594ce3dc4afaa4ea09998;p=kernel%2Fu-boot.git

cramfs: fix bug for wrong filename comparison

"cramfsload uImage_1" succeeds even though the actual file is named
"uImage".

Fix file name comparison when one name is the prefix of the other.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
cc: Wolfgang Denk <wd@denx.de>
cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
---

diff --git a/fs/cramfs/cramfs.c b/fs/cramfs/cramfs.c
index 910955d..e578a1e 100644
--- a/fs/cramfs/cramfs.c
+++ b/fs/cramfs/cramfs.c
@@ -126,7 +126,8 @@ static unsigned long cramfs_resolve (unsigned long begin, unsigned long offset,
 			namelen--;
 		}
 
-		if (!strncmp (filename, name, namelen)) {
+		if (!strncmp(filename, name, namelen) &&
+		    (namelen == strlen(filename))) {
 			char *p = strtok (NULL, "/");
 
 			if (raw && (p == NULL || *p == '\0'))