From: Gerd Hoffmann <kraxel@redhat.com>
To: qemu-devel@nongnu.org
Cc: Gerd Hoffmann <kraxel@redhat.com>
Subject: [Qemu-devel] [PATCH] qxl: handle no updates in interface_update_area_complete
Date: Wed, 8 Jun 2016 16:11:41 +0200 [thread overview]
Message-ID: <1465395101-13580-1-git-send-email-kraxel@redhat.com> (raw)
Simply return early in case there are no updated rects.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
hw/display/qxl.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index 919dc5c..f867cdf 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -893,7 +893,8 @@ static void interface_update_area_complete(QXLInstance *sin,
int qxl_i;
qemu_mutex_lock(&qxl->ssd.lock);
- if (surface_id != 0 || !qxl->render_update_cookie_num) {
+ if (surface_id != 0 || !num_updated_rects ||
+ !qxl->render_update_cookie_num) {
qemu_mutex_unlock(&qxl->ssd.lock);
return;
}
--
1.8.3.1
reply other threads:[~2016-06-08 14:12 UTC|newest]
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