@@ -104,10 +104,12 @@ int br_validate_ipv6(struct sk_buff *skb)
{
const struct ipv6hdr *hdr;
struct net_device *dev = skb->dev;
- struct inet6_dev *idev = in6_dev_get(skb->dev);
+ struct inet6_dev *idev;
u32 pkt_len;
u8 ip6h_len = sizeof(struct ipv6hdr);
+ rcu_read_lock();
+ idev = __in6_dev_get(dev);
if (!pskb_may_pull(skb, ip6h_len))
goto inhdr_error;
@@ -140,11 +142,13 @@ int br_validate_ipv6(struct sk_buff *skb)
/* No IP options in IPv6 header; however it should be
* checked if some next headers need special treatment
*/
+ rcu_read_unlock();
return 0;
inhdr_error:
IP6_INC_STATS_BH(dev_net(dev), idev, IPSTATS_MIB_INHDRERRORS);
drop:
+ rcu_read_unlock();
return -1;
}