On Fri,  6 Nov 2020 01:42:40 -0500 menglong8.dong@gmail.com wrote:
> From: Menglong Dong <dong.menglong@zte.com.cn>
> 
> The initialization for 'err' with 0 is redundant and can be removed,
> as it is updated by ip_send_skb and not used before that.
> 
> Signed-off-by: Menglong Dong <dong.menglong@zte.com.cn>

Applied.