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qxl: upon reset, if spice worker is stopped, the command rings can be not empty

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Spice worker does no longer process commands when it is stopped.
Otherwise, it might crash during migration when attempting to process
commands while the guest is not completely loaded.

Cc: Alon Levy <alevy@redhat.com>

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Yonit Halperin 2011-07-12 11:51:58 +03:00 committed by Gerd Hoffmann
parent df9cb66942
commit 8927cfbba2
1 changed files with 2 additions and 2 deletions
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4
hw/qxl.c
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@ -656,8 +656,8 @@ static void qxl_reset_state(PCIQXLDevice *d)
QXLRam *ram = d->ram;
QXLRom *rom = d->rom;
assert(SPICE_RING_IS_EMPTY(&ram->cmd_ring));
assert(SPICE_RING_IS_EMPTY(&ram->cursor_ring));
assert(!d->ssd.running || SPICE_RING_IS_EMPTY(&ram->cmd_ring));
assert(!d->ssd.running || SPICE_RING_IS_EMPTY(&ram->cursor_ring));
d->shadow_rom.update_id = cpu_to_le32(0);
*rom = d->shadow_rom;
qxl_rom_set_dirty(d);