9290838132
Fix segfault with zero length virtio-scsi disk (bz #847549)
35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
From 97ccbacab3e9cc19ebb54f1aacbe84118cbb3a29 Mon Sep 17 00:00:00 2001
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From: Gerd Hoffmann <kraxel@redhat.com>
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Date: Tue, 30 Oct 2012 14:55:12 +0100
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Subject: [PATCH] qxl: call dpy_gfx_resize when entering vga mode
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When entering vga mode the display size likely changes,
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notify all displaychangelisteners about this.
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Probably went unnoticed for a while as one if the first
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things the guest does after leaving qxl native mode and
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entering qxl vga mode is to set the vga video mode. But
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there is still a small window where qemu can operate on
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stale data, leading to crashes now and then.
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https://bugzilla.redhat.com/show_bug.cgi?id=865767
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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---
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hw/qxl.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/hw/qxl.c b/hw/qxl.c
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index 8111bb9..f88829c 100644
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--- a/hw/qxl.c
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+++ b/hw/qxl.c
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@@ -1084,7 +1084,7 @@ static void qxl_enter_vga_mode(PCIQXLDevice *d)
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trace_qxl_enter_vga_mode(d->id);
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qemu_spice_create_host_primary(&d->ssd);
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d->mode = QXL_MODE_VGA;
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- memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty));
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+ dpy_resize(d->ssd.ds);
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vga_dirty_log_start(&d->vga);
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}
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