diff options
Diffstat (limited to 'net/ipv4/icmp.c')
| -rw-r--r-- | net/ipv4/icmp.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 79c3d947a48..ea7d4afe820 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -663,16 +663,16 @@ static void icmp_socket_deliver(struct sk_buff *skb, u32 info) /* Checkin full IP header plus 8 bytes of protocol to * avoid additional coding at protocol handlers. */ - if (!pskb_may_pull(skb, iph->ihl * 4 + 8)) + if (!pskb_may_pull(skb, iph->ihl * 4 + 8)) { + ICMP_INC_STATS_BH(dev_net(skb->dev), ICMP_MIB_INERRORS); return; + } raw_icmp_error(skb, protocol, info); - rcu_read_lock(); ipprot = rcu_dereference(inet_protos[protocol]); if (ipprot && ipprot->err_handler) ipprot->err_handler(skb, info); - rcu_read_unlock(); } static bool icmp_tag_validation(int proto) @@ -739,8 +739,6 @@ static void icmp_unreach(struct sk_buff *skb) /* fall through */ case 0: info = ntohs(icmph->un.frag.mtu); - if (!info) - goto out; } break; case ICMP_SR_FAILED: |