From: Michael S. Tsirkin Date: Mon, 5 Dec 2016 20:39:30 +0000 (+0200) Subject: drm/virtio: annotate virtio_gpu_queue_ctrl_buffer_locked X-Git-Tag: v4.10-rc1~78^2~28 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3373755a415c9c8024d26cf32fd812a8cdb82541;p=karo-tx-linux.git drm/virtio: annotate virtio_gpu_queue_ctrl_buffer_locked virtio_gpu_queue_ctrl_buffer_locked is called with ctrlq.qlock taken, it releases and acquires this lock. This causes a sparse warning. Add appropriate annotations for sparse context checking. Signed-off-by: Michael S. Tsirkin --- diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c index abfc54a18f1a..43ea0dc957d2 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -297,6 +297,8 @@ void virtio_gpu_dequeue_cursor_func(struct work_struct *work) static int virtio_gpu_queue_ctrl_buffer_locked(struct virtio_gpu_device *vgdev, struct virtio_gpu_vbuffer *vbuf) + __releases(&vgdev->ctrlq.qlock) + __acquires(&vgdev->ctrlq.qlock) { struct virtqueue *vq = vgdev->ctrlq.vq; struct scatterlist *sgs[3], vcmd, vout, vresp;