Fix rfbProcessNewConnection to return some value instead of void.

BUG: 256891

Signed-off-by: Christian Beier <dontmind@freeshell.org>

libvncserver/sockets.c

@@ -260,7 +260,8 @@ rfbCheckFds(rfbScreenInfoPtr rfbScreen,long usec)
 
 	if (rfbScreen->listenSock != -1 && FD_ISSET(rfbScreen->listenSock, &fds)) {
 
-	    rfbProcessNewConnection(rfbScreen);
+	    if (!rfbProcessNewConnection(rfbScreen))
+                return -1;
 
 	    FD_CLR(rfbScreen->listenSock, &fds);
 	    if (--nfds == 0)
@@ -322,7 +323,7 @@ rfbCheckFds(rfbScreenInfoPtr rfbScreen,long usec)
     return result;
 }
 
-void
+rfbBool
 rfbProcessNewConnection(rfbScreenInfoPtr rfbScreen)
 {
     const int one = 1;
@@ -333,19 +334,19 @@ rfbProcessNewConnection(rfbScreenInfoPtr rfbScreen)
     if ((sock = accept(rfbScreen->listenSock,
 		       (struct sockaddr *)&addr, &addrlen)) < 0) {
       rfbLogPerror("rfbCheckFds: accept");
-      return -1;
+      return FALSE;
     }
 
     if(!rfbSetNonBlocking(sock)) {
       closesocket(sock);
-      return -1;
+      return FALSE;
     }
 
     if (setsockopt(sock, IPPROTO_TCP, TCP_NODELAY,
 		   (char *)&one, sizeof(one)) < 0) {
       rfbLogPerror("rfbCheckFds: setsockopt");
       closesocket(sock);
-      return -1;
+      return FALSE;
     }
 
 #ifdef USE_LIBWRAP
@@ -354,13 +355,15 @@ rfbProcessNewConnection(rfbScreenInfoPtr rfbScreen)
       rfbLog("Rejected connection from client %s\n",
 	     inet_ntoa(addr.sin_addr));
       closesocket(sock);
-      return -1;
+      return FALSE;
     }
 #endif
 
     rfbLog("Got connection from client %s\n", inet_ntoa(addr.sin_addr));
 
     rfbNewClient(rfbScreen,sock);
+
+    return TRUE;
 }
 
 

rfb/rfb.h

@@ -1007,7 +1007,7 @@ extern rfbBool rfbSendTextChatMessage(rfbClientPtr cl, uint32_t length, char *bu
  * Additions for Qt event loop integration
  * Original idea taken from vino.
  */
-void rfbProcessNewConnection(rfbScreenInfoPtr rfbScreen);
+rfbBool rfbProcessNewConnection(rfbScreenInfoPtr rfbScreen);
 rfbBool rfbUpdateClient(rfbClientPtr cl);