From 66282f58000c8863e104666c30cb67b1d5cbdee3 Mon Sep 17 00:00:00 2001 From: "Kyle J. McKay" Date: Fri, 18 May 2012 00:30:11 -0700 Subject: [PATCH] libvncserver/sockets.c: do not segfault when listenSock/listen6Sock == -1 --- libvncserver/sockets.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libvncserver/sockets.c b/libvncserver/sockets.c index 84c9c98..3ff2aac 100644 --- a/libvncserver/sockets.c +++ b/libvncserver/sockets.c @@ -402,9 +402,9 @@ rfbProcessNewConnection(rfbScreenInfoPtr rfbScreen) 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,