18 lines
684 B
Diff
18 lines
684 B
Diff
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diff --git a/unix/xserver/hw/vnc/xvnc.c b/unix/xserver/hw/vnc/xvnc.c
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index f8141959..c5c36539 100644
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--- a/unix/xserver/hw/vnc/xvnc.c
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+++ b/unix/xserver/hw/vnc/xvnc.c
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@@ -366,8 +366,10 @@ ddxProcessArgument(int argc, char *argv[], int i)
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if (strcmp(argv[i], "-inetd") == 0) {
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int nullfd;
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- dup2(0, 3);
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- vncInetdSock = 3;
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+ if ((vncInetdSock = dup(0)) == -1)
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+ FatalError
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+ ("Xvnc error: failed to allocate a new file descriptor for -inetd: %s\n", strerror(errno));
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+
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/* Avoid xserver >= 1.19's epoll-fd becoming fd 2 / stderr only to be
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replaced by /dev/null by OsInit() because the pollfd is not
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