fix: TCP server calls

src/mptp/server.c

@@ -22,6 +22,12 @@ int lm_mptp_server_listen(char *addr, uint16_t port) {
     return -1;
   }
 
+  if(listen(sock, SOMAXCONN) < 0){
+    lm_mptp_close(sock);
+    lm_error_set(LM_ERR_MPTPListenFail, strerror(errno));
+    return -1;
+  }
+
   return sock;
 }
 
@@ -29,7 +35,7 @@ int lm_mptp_server_accept(int sock, struct sockaddr *addr){
   socklen_t sl = sizeof(struct sockaddr);
   int s = -1;
 
-  if((s = accept(sock, addr, &sl) < 0)){
+  if((s = accept(sock, addr, &sl)) < 0){
     lm_error_set(LM_ERR_MPTPAcceptFail, strerror(errno));
     s = -1;
   }