virtqueue_resize_packed() or virtqueue_resize_split() can return error code if failed, so add a check for this. Signed-off-by: Su Hui <suhui@xxxxxxxxxxxx> --- I'm not sure that return directly is right or not, maybe there are some process should do before return. drivers/virtio/virtio_ring.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 51d8f3299c10..cf662c3a755b 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -2759,6 +2759,9 @@ int virtqueue_resize(struct virtqueue *_vq, u32 num, else err = virtqueue_resize_split(_vq, num); + if (err) + return err; + return virtqueue_enable_after_reset(_vq); } EXPORT_SYMBOL_GPL(virtqueue_resize); -- 2.30.2