Re: [net-next PATCH 3/6] macvtap: remove the dead branch

[Guenter Roeck <linux@roeck-us.net>]

On 12/05/2013 02:28 PM, Zhi Yong Wu wrote:
> From: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
>
> Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
> ---
>   drivers/net/macvtap.c |    2 --
>   1 files changed, 0 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
> index 9093004..d271fb4 100644
> --- a/drivers/net/macvtap.c
> +++ b/drivers/net/macvtap.c
> @@ -779,8 +779,6 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q,
>   			return -EINVAL;
>
>   		ret = macvtap_skb_to_vnet_hdr(skb, &vnet_hdr);
> -		if (ret)
> -			return ret;
>
Assigning the function's return value to ret just to ignore it seems odd.

Might make sense to change the function type to void.

Guenter