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smb3: on reconnect set PreviousSessionId field

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commit b2adf22fdf upstream.

The server detects reconnect by the (non-zero) value in PreviousSessionId
of SMB2/SMB3 SessionSetup request, but this behavior regressed due
to commit 166cea4dc3
("SMB2: Separate RawNTLMSSP authentication from SMB2_sess_setup")

CC: Stable <stable@vger.kernel.org>
CC: Sachin Prabhu <sprabhu@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Steve French
2018-05-31 15:19:25 -05:00
committed by Greg Kroah-Hartman
parent dcde75924f
commit ae62f35def
1 changed files with 1 additions and 0 deletions
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fs/cifs/smb2pdu.c
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@@ -1182,6 +1182,7 @@ 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;
while (sess_data->func)
sess_data->func(sess_data);