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[2/2] qxl: upon reset, if spice worker is stopped, the command rings can be not empty

Message ID 1311157538-12753-3-git-send-email-kraxel@redhat.com
State New
Headers show

Commit Message

Gerd Hoffmann July 20, 2011, 10:25 a.m. UTC 
From: Yonit Halperin <yhalperi@redhat.com>

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>
---
 hw/qxl.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/hw/qxl.c b/hw/qxl.c
index 0b9a4c7..a6fb7f0 100644
--- a/hw/qxl.c
+++ b/hw/qxl.c
@@ -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);