drm/qxl: qxl_release leak in qxl_draw_dirty_fb()

commit 85e9b88af1e6164f19ec71381efd5e2bcfc17620 upstream.

ret should be changed to release allocated struct qxl_release

Cc: stable@vger.kernel.org
Fixes: 8002db6336dd ("qxl: convert qxl driver to proper use for reservations")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Link: http://patchwork.freedesktop.org/patch/msgid/22cfd55f-07c8-95d0-a2f7-191b7153c3d4@virtuozzo.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/qxl/qxl_draw.c b/drivers/gpu/drm/qxl/qxl_draw.c
index 4d8681e84e684f58fa5aec6e1da3c44818befb0e..67f3bdeaa3bfad1a79460f32d78111f0c26e78f4 100644 (file)
--- a/drivers/gpu/drm/qxl/qxl_draw.c
+++ b/drivers/gpu/drm/qxl/qxl_draw.c
@@ -348,9 +348,10 @@ void qxl_draw_dirty_fb(struct qxl_device *qdev,
                goto out_release_backoff;
 
        rects = drawable_set_clipping(qdev, num_clips, clips_bo);
-       if (!rects)
+       if (!rects) {
+               ret = -EINVAL;
                goto out_release_backoff;
-
+       }
        drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
 
        drawable->clip.type = SPICE_CLIP_TYPE_RECTS;