diff options
Diffstat (limited to 'net/sctp/ulpevent.c')
| -rw-r--r-- | net/sctp/ulpevent.c | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c index e049f41faa47..ba97f974f57c 100644 --- a/net/sctp/ulpevent.c +++ b/net/sctp/ulpevent.c @@ -52,19 +52,6 @@ static void sctp_ulpevent_receive_data(struct sctp_ulpevent *event, struct sctp_association *asoc); static void sctp_ulpevent_release_data(struct sctp_ulpevent *event); -/* Stub skb destructor. */ -static void sctp_stub_rfree(struct sk_buff *skb) -{ -/* WARNING: This function is just a warning not to use the - * skb destructor. If the skb is shared, we may get the destructor - * callback on some processor that does not own the sock_lock. This - * was occuring with PACKET socket applications that were monitoring - * our skbs. We can't take the sock_lock, because we can't risk - * recursing if we do really own the sock lock. Instead, do all - * of our rwnd manipulation while we own the sock_lock outright. - */ -} - /* Initialize an ULP event from an given skb. */ SCTP_STATIC void sctp_ulpevent_init(struct sctp_ulpevent *event, int msg_flags) { @@ -111,15 +98,19 @@ static inline void sctp_ulpevent_set_owner(struct sctp_ulpevent *event, */ sctp_association_hold((struct sctp_association *)asoc); skb = sctp_event2skb(event); - skb->sk = asoc->base.sk; event->asoc = (struct sctp_association *)asoc; - skb->destructor = sctp_stub_rfree; + atomic_add(skb->truesize, &event->asoc->rmem_alloc); + skb_set_owner_r(skb, asoc->base.sk); } /* A simple destructor to give up the reference to the association. */ static inline void sctp_ulpevent_release_owner(struct sctp_ulpevent *event) { - sctp_association_put(event->asoc); + struct sctp_association *asoc = event->asoc; + struct sk_buff *skb = sctp_event2skb(event); + + atomic_sub(skb->truesize, &asoc->rmem_alloc); + sctp_association_put(asoc); } /* Create and initialize an SCTP_ASSOC_CHANGE event. @@ -922,7 +913,6 @@ done: /* Free a ulpevent that has an owner. It includes releasing the reference * to the owner, updating the rwnd in case of a DATA event and freeing the * skb. - * See comments in sctp_stub_rfree(). */ void sctp_ulpevent_free(struct sctp_ulpevent *event) { |