drm/qxl: unref cursor bo when finished with it

qxl_cursor_atomic_update allocs a bo for the cursor that
it never frees up at the end of the function.

This commit fixes that.

Signed-off-by: Ray Strode <rstrode@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 4756b3c9bf2c..7335d99244d5 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -575,7 +575,7 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane,
         struct qxl_cursor_cmd *cmd;
         struct qxl_cursor *cursor;
         struct drm_gem_object *obj;
-        struct qxl_bo *cursor_bo, *user_bo = NULL;
+        struct qxl_bo *cursor_bo = NULL, *user_bo = NULL;
         int ret;
         void *user_ptr;
         int size = 64*64*4;
@@ -645,6 +645,8 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane,
         qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
         qxl_release_fence_buffer_objects(release);
 
+        qxl_bo_unref(&cursor_bo);
+
         return;
 
 out_backoff: