diff options
| -rw-r--r-- | net/mptcp/ctrl.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/net/mptcp/ctrl.c b/net/mptcp/ctrl.c index c0e516872b4b..e8ffa62ec183 100644 --- a/net/mptcp/ctrl.c +++ b/net/mptcp/ctrl.c @@ -501,12 +501,15 @@ void mptcp_active_enable(struct sock *sk) struct mptcp_pernet *pernet = mptcp_get_pernet(sock_net(sk)); if (atomic_read(&pernet->active_disable_times)) { - struct dst_entry *dst = sk_dst_get(sk); + struct net_device *dev; + struct dst_entry *dst; - if (dst && dst->dev && (dst->dev->flags & IFF_LOOPBACK)) + rcu_read_lock(); + dst = __sk_dst_get(sk); + dev = dst ? dst_dev_rcu(dst) : NULL; + if (dev && (dev->flags & IFF_LOOPBACK)) atomic_set(&pernet->active_disable_times, 0); - - dst_release(dst); + rcu_read_unlock(); } } |