CIFS: Do not count -ENODATA as failure for query directory

BugLink: https://bugs.launchpad.net/bugs/1818803

commit 8e6e72ae upstream.
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Juerg Haefliger <juergh@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

fs/cifs/smb2pdu.c

@@ -2824,7 +2824,7 @@ SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
 		    rsp->hdr.sync_hdr.Status == STATUS_NO_MORE_FILES) {
 			srch_inf->endOfSearch = true;
 			rc = 0;
-		}
+		} else
 			cifs_stats_fail_inc(tcon, SMB2_QUERY_DIRECTORY_HE);
 		goto qdir_exit;
 	}