diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-03-30 09:48:45 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-03-30 09:48:58 +0200 |
| commit | c69f203df3e61414fbf1a66d130abfd7c3bf3fd0 (patch) | |
| tree | a6850417a1871f7bf321ef0318bd8c43439d7fed /net/socket.c | |
| parent | 3906a13a6b4e78fbc0def03a808f091f0dff1b44 (diff) | |
| parent | fe82203b63e598c34d96e846dea49679a726fc7a (diff) | |
Merge branch 'linus' into perf/core, to pick up fixes
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 e034fe4164bee..985ef06792d6e 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); } |