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 <>
Signed-off-by: default avatarDavid S. Miller <>
parent eea86af6
......@@ -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]);
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