In case virtqueue_get_buf() returned with a NULL pointer verify if the virtqueue is broken in order to leave while loop. Signed-off-by: Heinz Graalfs <graalfs@xxxxxxxxxxxxxxxxxx> --- drivers/block/virtio_blk.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 6472395..2d43be4 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -292,6 +292,8 @@ static void virtblk_done(struct virtqueue *vq) req_done = true; } } + if (unlikely(virtqueue_is_broken(vq))) + break; } while (!virtqueue_enable_cb(vq)); /* In case queue is stopped waiting for more buffers. */ if (req_done) -- 1.8.3.1 _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
