CIFS: Fix possible freed pointer dereference in CIFS_SessSetup
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 382c06d..76809f4 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -876,7 +876,8 @@
pSMB = (SESSION_SETUP_ANDX *)iov[0].iov_base;
smb_buf = (struct smb_hdr *)iov[0].iov_base;
- if ((type == RawNTLMSSP) && (smb_buf->Status.CifsError ==
+ if ((type == RawNTLMSSP) && (resp_buf_type != CIFS_NO_BUFFER) &&
+ (smb_buf->Status.CifsError ==
cpu_to_le32(NT_STATUS_MORE_PROCESSING_REQUIRED))) {
if (phase != NtLmNegotiate) {
cERROR(1, "Unexpected more processing error");