Hello Pavel Shilovsky,
This is a semi-automatic email about new static checker warnings.
The patch 5478f9ba9a34: "CIFS: Add session setup/logoff capability
for SMB2" from Dec 27, 2011, leads to the following Smatch complaint:
fs/cifs/smb2pdu.c:672 SMB2_sess_setup()
warn: variable dereferenced before check 'rsp' (see line 657)
fs/cifs/smb2pdu.c
656 ses->Suid = rsp->hdr.SessionId;
^^^^^^^^^^^^^^^^^^
New dereference.
657 rc = decode_ntlmssp_challenge(rsp->Buffer,
658 le16_to_cpu(rsp->SecurityBufferLength),
ses);
659 }
660
661 /*
662 * BB eventually add code for SPNEGO decoding of NtlmChallenge
blob,
663 * but at least the raw NTLMSSP case works.
664 */
665 /*
666 * No tcon so can't do
667 *
cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_fail[SMB2...]);
668 */
669 if (rc != 0)
670 goto ssetup_exit;
671
672 if (rsp == NULL) {
^^^^^^^^^^^
New check.
673 rc = -EIO;
674 goto ssetup_exit;
regards,
dan carpenter
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