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Commit c2ff682a authored by Nicolas Dichtel's avatar Nicolas Dichtel Committed by David S. Miller
Browse files

sit: fix an oops when IFLA_IPTUN_PROTO is not set 



The use of this attribute has been added in 32b8a8e5 (sit: add IPv4 over
IPv4 support). It is optional, by default proto is IPPROTO_IPV6.

Signed-off-by: default avatarNicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent eea86af6

net/ipv6/sit.c

+1 −1
Original line number Diff line number Diff line
@@ -1296,7 +1296,7 @@ static int ipip6_validate(struct nlattr *tb[], struct nlattr *data[]) 
{

	u8 proto;



	if (!data)

	if (!data || !data[IFLA_IPTUN_PROTO])

		return 0;



	proto = nla_get_u8(data[IFLA_IPTUN_PROTO]);