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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-08-06 23:36:12 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-08-06 23:36:12 -0700 |
| commit | 5e2aa2ed08e2e280121dc7cf5609c87d464f12ef (patch) | |
| tree | ca7d7b1480285e3b617fecc5b41f0ce150a82c32 /net/unix/af_unix.c | |
| parent | f62d14a8072b9756db36ba394e2b267470a40240 (diff) | |
| parent | fc8104bc5a3f6f49d79f45f2706f79f77a9fb2ae (diff) | |
Merge branch 'next' into for-linus
Prepare first round of input updates for 3.17.
Diffstat (limited to 'net/unix/af_unix.c')
| -rw-r--r-- | net/unix/af_unix.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index bb7e8ba821f4..e96884380732 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1207,7 +1207,7 @@ restart: sk->sk_state = TCP_ESTABLISHED; sock_hold(newsk); - smp_mb__after_atomic_inc(); /* sock_hold() does an atomic_inc() */ + smp_mb__after_atomic(); /* sock_hold() does an atomic_inc() */ unix_peer(sk) = newsk; unix_state_unlock(sk); @@ -1492,10 +1492,14 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock, if (len > sk->sk_sndbuf - 32) goto out; - if (len > SKB_MAX_ALLOC) + if (len > SKB_MAX_ALLOC) { data_len = min_t(size_t, len - SKB_MAX_ALLOC, MAX_SKB_FRAGS * PAGE_SIZE); + data_len = PAGE_ALIGN(data_len); + + BUILD_BUG_ON(SKB_MAX_ALLOC < PAGE_SIZE); + } skb = sock_alloc_send_pskb(sk, len - data_len, data_len, msg->msg_flags & MSG_DONTWAIT, &err, @@ -1670,6 +1674,8 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock, data_len = max_t(int, 0, size - SKB_MAX_HEAD(0)); + data_len = min_t(size_t, size, PAGE_ALIGN(data_len)); + skb = sock_alloc_send_pskb(sk, size - data_len, data_len, msg->msg_flags & MSG_DONTWAIT, &err, get_order(UNIX_SKB_FRAGS_SZ)); |