From: Namjae Jeon <namjae.jeon@samsung.com>
Date: Wed, 20 Aug 2014 10:39:41 +0000 (+0900)
Subject: cifs: fix a possible use of uninit variable in SMB2_sess_setup
X-Git-Tag: firefly_0821_release~176^2~3260^2~7
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=7de975e349b295f387f34eed38f115223f17d5ee;p=firefly-linux-kernel-4.4.55.git

cifs: fix a possible use of uninit variable in SMB2_sess_setup

In case of error, goto ssetup_exit can be hit and we could end up using
uninitialized value of resp_buftype

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Ashish Sangwan <a.sangwan@samsung.com>
Signed-off-by: Steve French <smfrench@gmail.com>
---

diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index fa0dd044213b..9df5d8effe47 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -530,7 +530,7 @@ SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
 	struct smb2_sess_setup_rsp *rsp = NULL;
 	struct kvec iov[2];
 	int rc = 0;
-	int resp_buftype;
+	int resp_buftype = CIFS_NO_BUFFER;
 	__le32 phase = NtLmNegotiate; /* NTLMSSP, if needed, is multistage */
 	struct TCP_Server_Info *server = ses->server;
 	u16 blob_length = 0;