[SMB3][PATCH] On reconnect set PreviousSessionId field in SessionSetup
Steve French
smfrench at gmail.com
Thu May 31 20:32:36 UTC 2018
smb3: on reconnect set PreviousSessionId field
The server detects reconnect by the (non-zero) value in PreviousSessionId
of SMB2/SMB3 SessionSetup request, but this behavior regressed due
to commit 166cea4dc3a4f66f020cfb9286225ecd228ab61d
"SMB2: Separate RawNTLMSSP authentication from SMB2_sess_setup"
CC: Stable <stable at vger.kernel.org>
CC: Sachin Prabhu <sprabhu at redhat.com>
Signed-off-by: Steve French <smfrench at gmail.com>
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index c92b4e6689bd..71e7a5a05f12 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1352,6 +1352,7 @@ SMB2_sess_setup(const unsigned int xid, struct
cifs_ses *ses,
sess_data->ses = ses;
sess_data->buf0_type = CIFS_NO_BUFFER;
sess_data->nls_cp = (struct nls_table *) nls_cp;
+ sess_data->previous_session = ses->Suid;
#ifdef CONFIG_CIFS_SMB311
/*
--
Thanks,
Steve
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