cifs: dynamic allocation of ntlmssp blob

[firefly-linux-kernel-4.4.55.git] / fs / cifs / smb2pdu.c

diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 169ed83d46fec492d5f9593fdf2bbfccca60bbfc..0b6dc1942bdcccae62b0bba199f9c166fac7e3d1 100644 (file)
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -591,7 +591,7 @@ SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
        u16 blob_length = 0;
        struct key *spnego_key = NULL;
        char *security_blob = NULL;
-       char *ntlmssp_blob = NULL;
+       unsigned char *ntlmssp_blob = NULL;
        bool use_spnego = false; /* else use raw ntlmssp */
 
        cifs_dbg(FYI, "Session Setup\n");
@@ -716,13 +716,7 @@ ssetup_ntlmssp_authenticate:
                iov[1].iov_len = blob_length;
        } else if (phase == NtLmAuthenticate) {
                req->hdr.SessionId = ses->Suid;
-               ntlmssp_blob = kzalloc(sizeof(struct _NEGOTIATE_MESSAGE) + 500,
-                                      GFP_KERNEL);
-               if (ntlmssp_blob == NULL) {
-                       rc = -ENOMEM;
-                       goto ssetup_exit;
-               }
-               rc = build_ntlmssp_auth_blob(ntlmssp_blob, &blob_length, ses,
+               rc = build_ntlmssp_auth_blob(&ntlmssp_blob, &blob_length, ses,
                                             nls_cp);
                if (rc) {
                        cifs_dbg(FYI, "build_ntlmssp_auth_blob failed %d\n",