diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-04-03 16:36:32 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-04-03 16:36:32 +0200 |
| commit | 7f75540ff2ca84dbac26cf9deeb620cbf5646f5e (patch) | |
| tree | 1eb54748074d3a91f3dd70fb5d4b23bf713f0bd5 /net/socket.c | |
| parent | 474aeffd88b87746a75583f356183d5c6caa4213 (diff) | |
| parent | a71c9a1c779f2499fb2afc0553e543f18aff6edf (diff) | |
Merge tag 'v4.11-rc5' into x86/mm, to refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/socket.c')
| -rw-r--r-- | net/socket.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/net/socket.c b/net/socket.c index e034fe4164be..985ef06792d6 100644 --- a/net/socket.c +++ b/net/socket.c @@ -652,6 +652,16 @@ int kernel_sendmsg(struct socket *sock, struct msghdr *msg, } EXPORT_SYMBOL(kernel_sendmsg); +static bool skb_is_err_queue(const struct sk_buff *skb) +{ + /* pkt_type of skbs enqueued on the error queue are set to + * PACKET_OUTGOING in skb_set_err_queue(). This is only safe to do + * in recvmsg, since skbs received on a local socket will never + * have a pkt_type of PACKET_OUTGOING. + */ + return skb->pkt_type == PACKET_OUTGOING; +} + /* * called from sock_recv_timestamp() if sock_flag(sk, SOCK_RCVTSTAMP) */ @@ -695,7 +705,8 @@ void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk, put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMPING, sizeof(tss), &tss); - if (skb->len && (sk->sk_tsflags & SOF_TIMESTAMPING_OPT_STATS)) + if (skb_is_err_queue(skb) && skb->len && + SKB_EXT_ERR(skb)->opt_stats) put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMPING_OPT_STATS, skb->len, skb->data); } |