summaryrefslogtreecommitdiff
path: root/net/ipv6/datagram.c
diff options
context:
space:
mode:
authorEric Dumazet <edumazet@google.com>2016-04-21 22:27:32 -0700
committerDavid S. Miller <davem@davemloft.net>2016-04-25 15:48:10 -0400
commit960a26282f5b1f084313c59d22f76026e6637995 (patch)
treea0aed4c036b22af1bad576f862d8c8b69792c596 /net/ipv6/datagram.c
parent0aea76d35c9651d55bbaf746e7914e5f9ae5a25d (diff)
net: better drop monitoring in ip{6}_recv_error()
We should call consume_skb(skb) when skb is properly consumed, or kfree_skb(skb) when skb must be dropped in error case. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/datagram.c')
-rw-r--r--net/ipv6/datagram.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 3962b6c810fc..ea9ee5cce5cf 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -450,9 +450,10 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
copied = len;
}
err = skb_copy_datagram_msg(skb, 0, msg, copied);
- if (err)
- goto out_free_skb;
-
+ if (unlikely(err)) {
+ kfree_skb(skb);
+ return err;
+ }
sock_recv_timestamp(msg, sk, skb);
serr = SKB_EXT_ERR(skb);
@@ -509,8 +510,7 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
msg->msg_flags |= MSG_ERRQUEUE;
err = copied;
-out_free_skb:
- kfree_skb(skb);
+ consume_skb(skb);
out:
return err;
}