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| author | Ingo Molnar <mingo@kernel.org> | 2015-05-27 10:17:21 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-05-27 10:17:21 +0300 |
| commit | 8d12ded3dd499e38e8022fe3ec53920d085e57a3 (patch) | |
| tree | 8b73e5a68f24b0bd33430bed8993de979825ffcf /net/packet | |
| parent | d499c106843afa0703a68c64662bf42a16421aec (diff) | |
| parent | 68ab747604da98f0a0414f197f346ac22888fcee (diff) | |
| download | linux-8d12ded3dd499e38e8022fe3ec53920d085e57a3.tar.xz | |
Merge branch 'perf/urgent' into perf/core, before applying dependent patches
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/packet')
| -rw-r--r-- | net/packet/af_packet.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 5102c3cc4eec..b5989c6ee551 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2311,11 +2311,14 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg) tlen = dev->needed_tailroom; skb = sock_alloc_send_skb(&po->sk, hlen + tlen + sizeof(struct sockaddr_ll), - 0, &err); + !need_wait, &err); - if (unlikely(skb == NULL)) + if (unlikely(skb == NULL)) { + /* we assume the socket was initially writeable ... */ + if (likely(len_sum > 0)) + err = len_sum; goto out_status; - + } tp_len = tpacket_fill_skb(po, skb, ph, dev, size_max, proto, addr, hlen); if (tp_len > dev->mtu + dev->hard_header_len) { |