diff options
| author | Jens Axboe <axboe@fb.com> | 2017-04-07 21:45:20 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-04-07 21:45:20 +0300 |
| commit | 65f619d2535197d97067eeeef75a40f25b552e69 (patch) | |
| tree | 13f96c51a2b591ed22f1771541998bb77178f685 /net/core/sock.c | |
| parent | fbbaf700e7b163a0f1704b2d542ee28be11fce21 (diff) | |
| parent | 6d8c6c0f97ad8a3517c42b179c1dc8e77397d0e2 (diff) | |
| download | linux-65f619d2535197d97067eeeef75a40f25b552e69.tar.xz | |
Merge branch 'for-linus' into for-4.12/block
We've added a considerable amount of fixes for stalls and issues
with the blk-mq scheduling in the 4.11 series since forking
off the for-4.12/block branch. We need to do improvements on
top of that for 4.12, so pull in the previous fixes to make
our lives easier going forward.
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'net/core/sock.c')
| -rw-r--r-- | net/core/sock.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index a96d5f7a5734..2c4f574168fb 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1442,6 +1442,11 @@ static void __sk_destruct(struct rcu_head *head) pr_debug("%s: optmem leakage (%d bytes) detected\n", __func__, atomic_read(&sk->sk_omem_alloc)); + if (sk->sk_frag.page) { + put_page(sk->sk_frag.page); + sk->sk_frag.page = NULL; + } + if (sk->sk_peer_cred) put_cred(sk->sk_peer_cred); put_pid(sk->sk_peer_pid); @@ -1539,6 +1544,12 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority) is_charged = sk_filter_charge(newsk, filter); if (unlikely(!is_charged || xfrm_sk_clone_policy(newsk, sk))) { + /* We need to make sure that we don't uncharge the new + * socket if we couldn't charge it in the first place + * as otherwise we uncharge the parent's filter. + */ + if (!is_charged) + RCU_INIT_POINTER(newsk->sk_filter, NULL); sk_free_unlock_clone(newsk); newsk = NULL; goto out; @@ -2787,11 +2798,6 @@ void sk_common_release(struct sock *sk) sk_refcnt_debug_release(sk); - if (sk->sk_frag.page) { - put_page(sk->sk_frag.page); - sk->sk_frag.page = NULL; - } - sock_put(sk); } EXPORT_SYMBOL(sk_common_release); |