Merge branch 'tools-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb...

[karo-tx-linux.git] / fs / cifs / cifsencrypt.c

diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 259991bd2112b4d40bd919d5d405b2440317831d..e76bfeb68267d19c5874eb85ddd12fac970a804e 100644 (file)
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -87,9 +87,15 @@ int cifs_sign_smb(struct smb_hdr *cifs_pdu, struct TCP_Server_Info *server,
        if ((cifs_pdu == NULL) || (server == NULL))
                return -EINVAL;
 
-       if ((cifs_pdu->Flags2 & SMBFLG2_SECURITY_SIGNATURE) == 0)
+       if (!(cifs_pdu->Flags2 & SMBFLG2_SECURITY_SIGNATURE) ||
+           server->tcpStatus == CifsNeedNegotiate)
                return rc;
 
+       if (!server->session_estab) {
+               strncpy(cifs_pdu->Signature.SecuritySignature, "BSRSPYL", 8);
+               return rc;
+       }
+
        cifs_pdu->Signature.Sequence.SequenceNumber =
                        cpu_to_le32(server->sequence_number);
        cifs_pdu->Signature.Sequence.Reserved = 0;
@@ -178,9 +184,15 @@ int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *server,
        if ((cifs_pdu == NULL) || (server == NULL))
                return -EINVAL;
 
-       if ((cifs_pdu->Flags2 & SMBFLG2_SECURITY_SIGNATURE) == 0)
+       if (!(cifs_pdu->Flags2 & SMBFLG2_SECURITY_SIGNATURE) ||
+           server->tcpStatus == CifsNeedNegotiate)
                return rc;
 
+       if (!server->session_estab) {
+               strncpy(cifs_pdu->Signature.SecuritySignature, "BSRSPYL", 8);
+               return rc;
+       }
+
        cifs_pdu->Signature.Sequence.SequenceNumber =
                                cpu_to_le32(server->sequence_number);
        cifs_pdu->Signature.Sequence.Reserved = 0;