From: William Tu
Date: Thu, 21 Dec 2017 15:51:22 -0800
> The 'md' is allocated from 'tun_dst = ip_tun_rx_dst' and
> since we've checked 'tun_dst', 'md' will never be NULL.
> The patch removes it at both ipv4 and ipv6 erspan.
>
> Fixes: afb4c97d90e6 ("ip6_gre: fix potential memory leak in ip6ersp
The 'md' is allocated from 'tun_dst = ip_tun_rx_dst' and
since we've checked 'tun_dst', 'md' will never be NULL.
The patch removes it at both ipv4 and ipv6 erspan.
Fixes: afb4c97d90e6 ("ip6_gre: fix potential memory leak in ip6erspan_rcv")
Fixes: 50670b6ee9bc ("ip_gre: fix potential memory leak in
