From: Mark Syms <mark.syms@citrix.com>
Date: Thu, 24 May 2018 08:47:31 +0000 (+0100)
Subject: CIFS: 511c54a2f69195b28afb9dd119f03787b1625bb4 adds a check for session expiry
X-Git-Tag: v4.16.18~32
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a87867792794411e98a95322fa6a9d584bbbd5e1;p=thirdparty%2Fkernel%2Fstable.git

CIFS: 511c54a2f69195b28afb9dd119f03787b1625bb4 adds a check for session expiry

commit d81243c697ffc71f983736e7da2db31a8be0001f upstream.

Handle this additional status in the same way as SESSION_EXPIRED.

Signed-off-by: Mark Syms <mark.syms@citrix.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 75b6995419bea..91ce0cbaf6bf4 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -1277,10 +1277,11 @@ smb2_is_session_expired(char *buf)
 {
 	struct smb2_sync_hdr *shdr = get_sync_hdr(buf);
 
-	if (shdr->Status != STATUS_NETWORK_SESSION_EXPIRED)
+	if (shdr->Status != STATUS_NETWORK_SESSION_EXPIRED &&
+	    shdr->Status != STATUS_USER_SESSION_DELETED)
 		return false;
 
-	cifs_dbg(FYI, "Session expired\n");
+	cifs_dbg(FYI, "Session expired or deleted\n");
 	return true;
 }