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Commit 0d5ec281 authored by Steve French's avatar Steve French
Browse files

SMB311: Fix reconnect 



The preauth hash was not being recalculated properly on reconnect
of SMB3.11 dialect mounts (which caused access denied repeatedly
on auto-reconnect).

Fixes: 8bd68c6e ("CIFS: implement v3.11 preauth integrity")

Signed-off-by: default avatarSteve French <smfrench@gmail.com>
CC: Stable <stable@vger.kernel.org>
Reviewed-by: default avatarRonnie Sahlberg <lsahlber@redhat.com>
parent 23657ad7

fs/cifs/transport.c

+2 −2
Original line number Diff line number Diff line
@@ -753,7 +753,7 @@ cifs_send_recv(const unsigned int xid, struct cifs_ses *ses, 
		goto out;



#ifdef CONFIG_CIFS_SMB311

	if (ses->status == CifsNew)

	if ((ses->status == CifsNew) || (optype & CIFS_NEG_OP))

		smb311_update_preauth_hash(ses, rqst->rq_iov+1,

					   rqst->rq_nvec-1);

#endif
@@ -798,7 +798,7 @@ cifs_send_recv(const unsigned int xid, struct cifs_ses *ses, 
		*resp_buf_type = CIFS_SMALL_BUFFER;



#ifdef CONFIG_CIFS_SMB311

	if (ses->status == CifsNew) {

	if ((ses->status == CifsNew) || (optype & CIFS_NEG_OP)) {

		struct kvec iov = {

			.iov_base = buf + 4,

			.iov_len = get_rfc1002_length(buf)