vnc: Don't assert if opening unix socket fails

Reproducer:

$ qemu-system-x86_64 -display vnc=unix:/root/i-cant-access-you.sock
qemu-system-x86_64: iohandler.c:60: qemu_set_fd_handler2: Assertion `fd >= 0' failed.
Aborted (core dumped)

Signed-off-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Cole Robinson 2015-05-05 11:07:17 -04:00 committed by Gerd Hoffmann
parent 2b2c1a38ee
commit 3d00ac1a2e

View File

@ -3684,6 +3684,9 @@ void vnc_display_open(const char *id, Error **errp)
/* listen for connects */
if (strncmp(vnc, "unix:", 5) == 0) {
vs->lsock = unix_listen(vnc+5, NULL, 0, errp);
if (vs->lsock < 0) {
goto fail;
}
vs->is_unix = true;
} else {
vs->lsock = inet_listen_opts(sopts, 5900, errp);