diff options
| -rw-r--r-- | net/ipv6/exthdrs.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index 853a633a94d..262f105d23b 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -312,6 +312,7 @@ static int ipv6_destopt_rcv(struct sk_buff *skb) Routing header. ********************************/ +/* called with rcu_read_lock() */ static int ipv6_rthdr_rcv(struct sk_buff *skb) { struct inet6_skb_parm *opt = IP6CB(skb); @@ -324,12 +325,9 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb) struct net *net = dev_net(skb->dev); int accept_source_route = net->ipv6.devconf_all->accept_source_route; - idev = in6_dev_get(skb->dev); - if (idev) { - if (accept_source_route > idev->cnf.accept_source_route) - accept_source_route = idev->cnf.accept_source_route; - in6_dev_put(idev); - } + idev = __in6_dev_get(skb->dev); + if (idev && accept_source_route > idev->cnf.accept_source_route) + accept_source_route = idev->cnf.accept_source_route; if (!pskb_may_pull(skb, skb_transport_offset(skb) + 8) || !pskb_may_pull(skb, (skb_transport_offset(skb) + |