ksmbd: add missing calling smb2_set_err_rsp() on error

[ Upstream commit 0e2378eaa2b3a663726cf740d4aaa8a801e2cb31 ]

If some error happen on smb2_sess_setup(), Need to call
smb2_set_err_rsp() to set error response.
This patch add missing calling smb2_set_err_rsp() on error.

Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

fs/ksmbd/smb2pdu.c

@@ -1904,6 +1904,7 @@ out_err:
 				ksmbd_conn_set_need_negotiate(conn);
 			}
 		}
+		smb2_set_err_rsp(work);
 	} else {
 		unsigned int iov_len;