virtio_rng: use simplified virtqueue accessors.



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

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Reviewed-by: Asias He <asias@redhat.com>

parent 9dc7b9e4

drivers/char/hw_random/virtio-rng.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -47,7 +47,7 @@ static void register_buffer(u8 *buf, size_t size)
		sg_init_one(&sg, buf, size);

		/* There should always be room for one buffer. */
		if (virtqueue_add_buf(vq, &sg, 0, 1, buf, GFP_KERNEL) < 0)
		if (virtqueue_add_inbuf(vq, &sg, 1, buf, GFP_KERNEL) < 0)
		BUG();

		virtqueue_kick(vq);