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authorRoel Kluin <roel.kluin@gmail.com>2009-08-02 13:00:18 +0200
committerSteve French <sfrench@us.ibm.com>2009-08-03 21:01:32 +0000
commit24e2fb615fd6b624c320cec9ea9d91a75dad902e (patch)
treef6849650d675636490a14659228ce9a18004bc77
parent4486d6ede16b362f89b29845af6fe1a26ae78a54 (diff)
downloadlinux-24e2fb615fd6b624c320cec9ea9d91a75dad902e.tar.gz
cifs: Read buffer overflow
Check whether index is within bounds before testing the element.

Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
-rw-r--r--fs/cifs/cifs_unicode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c
index 60e3c4253de0..714a542cbafc 100644
--- a/fs/cifs/cifs_unicode.c
+++ b/fs/cifs/cifs_unicode.c
@@ -44,7 +44,7 @@ cifs_ucs2_bytes(const __le16 *from, int maxbytes,
 	int maxwords = maxbytes / 2;
 	char tmp[NLS_MAX_CHARSET_SIZE];
 
-	for (i = 0; from[i] && i < maxwords; i++) {
+	for (i = 0; i < maxwords && from[i]; i++) {
 		charlen = codepage->uni2char(le16_to_cpu(from[i]), tmp,
 					     NLS_MAX_CHARSET_SIZE);
 		if (charlen > 0)