diff options
| -rw-r--r-- | net/sctp/socket.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 2120292c842d..85e0b653edd7 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -162,7 +162,7 @@ static inline void sctp_set_owner_w(struct sctp_chunk *chunk) chunk->skb->destructor = sctp_wfree; /* Save the chunk pointer in skb for sctp_wfree to use later. */ - *((struct sctp_chunk **)(chunk->skb->cb)) = chunk; + skb_shinfo(chunk->skb)->destructor_arg = chunk; asoc->sndbuf_used += SCTP_DATA_SNDSIZE(chunk) + sizeof(struct sk_buff) + @@ -6870,14 +6870,10 @@ static void sctp_wake_up_waiters(struct sock *sk, */ static void sctp_wfree(struct sk_buff *skb) { - struct sctp_association *asoc; - struct sctp_chunk *chunk; - struct sock *sk; + struct sctp_chunk *chunk = skb_shinfo(skb)->destructor_arg; + struct sctp_association *asoc = chunk->asoc; + struct sock *sk = asoc->base.sk; - /* Get the saved chunk pointer. */ - chunk = *((struct sctp_chunk **)(skb->cb)); - asoc = chunk->asoc; - sk = asoc->base.sk; asoc->sndbuf_used -= SCTP_DATA_SNDSIZE(chunk) + sizeof(struct sk_buff) + sizeof(struct sctp_chunk); |