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vnc: Fix fatal crash with vnc reverse mode 

Reverse mode is unusable:

	qemu -vnc localhost:5500,reverse

crashes in vnc_refresh_server_surface because some pointers are NULL.

Fix this by calling vnc_dpy_resize (which initializes these pointers)
before calling vnc_refresh.

Cc: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Stefan Weil 2011-02-16 20:48:00 +01:00 committed by Anthony Liguori
parent 80e0c8c39b
commit 5db8378a77
1 changed files with 1 additions and 0 deletions
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ui/vnc.c
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@ -2480,6 +2480,7 @@ static void vnc_init_timer(VncDisplay *vd)
vd->timer_interval = VNC_REFRESH_INTERVAL_BASE; vd->timer_interval = VNC_REFRESH_INTERVAL_BASE;
if (vd->timer == NULL && !QTAILQ_EMPTY(&vd->clients)) { if (vd->timer == NULL && !QTAILQ_EMPTY(&vd->clients)) {
vd->timer = qemu_new_timer(rt_clock, vnc_refresh, vd); vd->timer = qemu_new_timer(rt_clock, vnc_refresh, vd);
vnc_dpy_resize(vd->ds);
vnc_refresh(vd); vnc_refresh(vd);
} }
} }