summaryrefslogtreecommitdiff
path: root/fs/cifs/smb2pdu.c
diff options
context:
space:
mode:
authorSteve French <smfrench@gmail.com>2016-09-20 22:56:13 -0500
committerSteve French <smfrench@gmail.com>2016-10-12 12:08:31 -0500
commitc2afb8147e69819885493edf3a7c1ce03aaf2d4e (patch)
tree280a23800e282ba1a79a3297c4cfdbcf241975ff /fs/cifs/smb2pdu.c
parent7d414f396c91a3382e51cf628c1cf0709ad0188b (diff)
Set previous session id correctly on SMB3 reconnect
Signed-off-by: Steve French <steve.french@primarydata.com> CC: Stable <stable@vger.kernel.org> Reported-by: David Goebel <davidgoe@microsoft.com>
Diffstat (limited to 'fs/cifs/smb2pdu.c')
-rw-r--r--fs/cifs/smb2pdu.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 967a7904fb8f..e8638432a233 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -604,6 +604,7 @@ SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
char *security_blob = NULL;
unsigned char *ntlmssp_blob = NULL;
bool use_spnego = false; /* else use raw ntlmssp */
+ u64 previous_session = ses->Suid;
cifs_dbg(FYI, "Session Setup\n");
@@ -641,6 +642,10 @@ ssetup_ntlmssp_authenticate:
return rc;
req->hdr.SessionId = 0; /* First session, not a reauthenticate */
+
+ /* if reconnect, we need to send previous sess id, otherwise it is 0 */
+ req->PreviousSessionId = previous_session;
+
req->Flags = 0; /* MBZ */
/* to enable echos and oplocks */
req->hdr.CreditRequest = cpu_to_le16(3);