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| author | Nicolas Dichtel <nicolas.dichtel@6wind.com> | 2013-06-19 12:03:13 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-06-19 21:18:17 -0700 |
| commit | c2ff682a6f5c5ae2cb23b32bb4fd7a6fb059d4fc (patch) | |
| tree | 802962ed34c3b2d5e6268e90c18cf9dbf50466bf /net/ipv6/sit.c | |
| parent | eea86af6b1e18d6fa8dc959e3ddc0100f27aff9f (diff) | |
| download | linux-c2ff682a6f5c5ae2cb23b32bb4fd7a6fb059d4fc.tar.gz linux-c2ff682a6f5c5ae2cb23b32bb4fd7a6fb059d4fc.tar.bz2 linux-c2ff682a6f5c5ae2cb23b32bb4fd7a6fb059d4fc.zip | |
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>
Diffstat (limited to 'net/ipv6/sit.c')
| -rw-r--r-- | net/ipv6/sit.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 6cee844678e2..f639866b3dcf 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -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]); |