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Commit 92549abc authored by Rusty Russell's avatar Rusty Russell
Browse files

virtio_balloon: use simplified virtqueue accessors. 



We never add buffers with input and output parts, so use the new accessors.

Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent cee51d69

drivers/virtio/virtio_balloon.c

+3 −3
Original line number Diff line number Diff line
@@ -108,7 +108,7 @@ static void tell_host(struct virtio_balloon *vb, struct virtqueue *vq) 
	sg_init_one(&sg, vb->pfns, sizeof(vb->pfns[0]) * vb->num_pfns);



	/* We should always be able to add one buffer to an empty queue. */

	if (virtqueue_add_buf(vq, &sg, 1, 0, vb, GFP_KERNEL) < 0)

	if (virtqueue_add_outbuf(vq, &sg, 1, vb, GFP_KERNEL) < 0)

		BUG();

	virtqueue_kick(vq);
@@ -256,7 +256,7 @@ static void stats_handle_request(struct virtio_balloon *vb) 
	if (!virtqueue_get_buf(vq, &len))

		return;

	sg_init_one(&sg, vb->stats, sizeof(vb->stats));

	if (virtqueue_add_buf(vq, &sg, 1, 0, vb, GFP_KERNEL) < 0)

	if (virtqueue_add_outbuf(vq, &sg, 1, vb, GFP_KERNEL) < 0)

		BUG();

	virtqueue_kick(vq);

}
@@ -341,7 +341,7 @@ static int init_vqs(struct virtio_balloon *vb) 
		 * use it to signal us later.

		 */

		sg_init_one(&sg, vb->stats, sizeof vb->stats);

		if (virtqueue_add_buf(vb->stats_vq, &sg, 1, 0, vb, GFP_KERNEL)

		if (virtqueue_add_outbuf(vb->stats_vq, &sg, 1, vb, GFP_KERNEL)

		    < 0)

			BUG();

		virtqueue_kick(vb->stats_vq);