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--- ./libvncserver/sockets.c.orig 2012-05-04 16:19:00.000000000 +0200
+++ ./libvncserver/sockets.c 2012-06-07 01:13:31.179964830 +0200
@@ -402,9 +402,9 @@
rfbLogPerror("rfbProcessNewConnection: error in select");
return FALSE;
}
- if (FD_ISSET(rfbScreen->listenSock, &listen_fds))
+ if (rfbScreen->listenSock >= 0 && FD_ISSET(rfbScreen->listenSock, &listen_fds))
chosen_listen_sock = rfbScreen->listenSock;
- if (FD_ISSET(rfbScreen->listen6Sock, &listen_fds))
+ if (rfbScreen->listen6Sock >= 0 && FD_ISSET(rfbScreen->listen6Sock, &listen_fds))
chosen_listen_sock = rfbScreen->listen6Sock;
if ((sock = accept(chosen_listen_sock,
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