cdp: safety check closing fd for error cases

src/modules/cdp/cdp_mod.c

@@ -78,7 +78,9 @@ static int w_cdp_has_app2(sip_msg_t *msg, char *vendor, char *appid);
 static int w_cdp_has_app(sip_msg_t *msg, char *appid, char *param);
 
 
+/* clang-format off */
 #define EXP_FUNC(NAME) {#NAME, (cmd_function)NAME, NO_SCRIPT, 0, 0}
+/* clang-format on */
 
 /**
  * Exported functions. This is the API available for use from other modules.

src/modules/cdp/receiver.c

@@ -161,8 +161,10 @@ static void close_send_pipe(serviced_peer_t *sp)
 {
 	int tmp;
 	if(sp->send_pipe_name.s) {
-		close(sp->send_pipe_fd);
-		close(sp->send_pipe_fd_out);
+		if(sp->send_pipe_fd >= 0)
+			close(sp->send_pipe_fd);
+		if(sp->send_pipe_fd_out >= 0)
+			close(sp->send_pipe_fd_out);
 		tmp = remove(sp->send_pipe_name.s);
 		if(tmp == -1) {
 			LM_ERR("could not remove send pipe\n");