[Qemu-devel] [PATCH] qxl: lock current_async update in qxl_soft_reset

[Gerd Hoffmann]

Cc: Paolo Bonzini <address@hidden>
Signed-off-by: Gerd Hoffmann <address@hidden>
---
 hw/display/qxl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index 9c961da..20dc72e 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -1156,7 +1156,9 @@ static void qxl_soft_reset(PCIQXLDevice *d)
     trace_qxl_soft_reset(d->id);
     qxl_check_state(d);
     qxl_clear_guest_bug(d);
+    qemu_mutex_lock(&d->async_lock);
     d->current_async = QXL_UNDEFINED_IO;
+    qemu_mutex_unlock(&d->async_lock);
 
     if (d->id == 0) {
         qxl_enter_vga_mode(d);
-- 
1.8.3.1