sit: fix an oops when IFLA_IPTUN_PROTO is not set
authorNicolas Dichtel <nicolas.dichtel@6wind.com>
Wed, 19 Jun 2013 10:03:13 +0000 (12:03 +0200)
committerDavid S. Miller <davem@davemloft.net>
Thu, 20 Jun 2013 04:18:17 +0000 (21:18 -0700)
commitc2ff682a6f5c5ae2cb23b32bb4fd7a6fb059d4fc
tree802962ed34c3b2d5e6268e90c18cf9dbf50466bf
parenteea86af6b1e18d6fa8dc959e3ddc0100f27aff9f
sit: fix an oops when IFLA_IPTUN_PROTO is not set

The use of this attribute has been added in 32b8a8e59c9c (sit: add IPv4 over
IPv4 support). It is optional, by default proto is IPPROTO_IPV6.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/sit.c