Re: [PATCH 11/16] virtio_rng: use simplified virtqueue accessors.

[Wanlong Gao]

On 02/19/2013 03:56 PM, Rusty Russell wrote:
> We never add buffers with input and output parts, so use the new accessors.
> 
> Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>

Reviewed-by: Wanlong Gao <gaowanlong@xxxxxxxxxxxxxx>

> ---
>  drivers/char/hw_random/virtio-rng.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
> index 10fd71c..842e2d5 100644
> --- a/drivers/char/hw_random/virtio-rng.c
> +++ b/drivers/char/hw_random/virtio-rng.c
> @@ -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);
> 

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