To 2.26
Signed-off-by: Steve French <stfrench@microsoft.com>
 extern const struct export_operations cifs_export_ops;
 #endif /* CONFIG_CIFS_NFSD_EXPORT */
 
-#define CIFS_VERSION   "2.25"
+#define CIFS_VERSION   "2.26"
 #endif                         /* _CIFSFS_H */
 
        if (rc)
                return rc;
 
-       if (memcmp(server_response_sig, shdr->Signature, SMB2_SIGNATURE_SIZE))
+       if (memcmp(server_response_sig, shdr->Signature, SMB2_SIGNATURE_SIZE)) {
+               dump_stack();
+               cifs_dbg(VFS, "sign fail cmd 0x%x message id 0x%llx\n", shdr->Command, shdr->MessageId);
                return -EACCES;
-       else
+       } else
                return 0;
 }