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[Qemu-devel] [PULL 2/2] qxl: lock current_async update in qxl_soft_reset
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PULL 2/2] qxl: lock current_async update in qxl_soft_reset |
Date: |
Tue, 1 Mar 2016 08:17:29 +0100 |
This should fix a defect report from Coverity.
Signed-off-by: Gerd Hoffmann <address@hidden>
Reviewed-by: Paolo Bonzini <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 a423dee..919dc5c 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