diff options
Diffstat (limited to 'net/ipv4/icmp.c')
| -rw-r--r-- | net/ipv4/icmp.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 963a89ae9c26..094084b61bff 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -312,7 +312,6 @@ static bool icmpv4_xrlim_allow(struct net *net, struct rtable *rt, struct dst_entry *dst = &rt->dst; struct inet_peer *peer; bool rc = true; - int vif; if (!apply_ratelimit) return true; @@ -321,12 +320,12 @@ static bool icmpv4_xrlim_allow(struct net *net, struct rtable *rt, if (dst->dev && (dst->dev->flags&IFF_LOOPBACK)) goto out; - vif = l3mdev_master_ifindex(dst->dev); - peer = inet_getpeer_v4(net->ipv4.peers, fl4->daddr, vif, 1); + rcu_read_lock(); + peer = inet_getpeer_v4(net->ipv4.peers, fl4->daddr, + l3mdev_master_ifindex_rcu(dst->dev)); rc = inet_peer_xrlim_allow(peer, READ_ONCE(net->ipv4.sysctl_icmp_ratelimit)); - if (peer) - inet_putpeer(peer); + rcu_read_unlock(); out: if (!rc) __ICMP_INC_STATS(net, ICMP_MIB_RATELIMITHOST); |