From 2f5ae772c62499873a0da8fffa03594753eb8fa8 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Wed, 8 Jun 2016 16:11:41 +0200 Subject: [PATCH] qxl: handle no updates in interface_update_area_complete Simply return early in case there are no updated rects. Signed-off-by: Gerd Hoffmann Message-id: 1465395101-13580-1-git-send-email-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 ab96f24a02..47cc6f478a 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; } -- 2.11.4.GIT