1 files changed, 4 insertions, 25 deletions

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 0f01e5d8a24f..971890dbfea0 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -130,7 +130,7 @@ static inline int sctp_wspace(struct sctp_association *asoc)
 	if (asoc->ep->sndbuf_policy)
 		amt = asoc->sndbuf_used;
 	else
-		amt = atomic_read(&asoc->base.sk->sk_wmem_alloc);
+		amt = sk_wmem_alloc_get(asoc->base.sk);
 
 	if (amt >= asoc->base.sk->sk_sndbuf) {
 		if (asoc->base.sk->sk_userlocks & SOCK_SNDBUF_LOCK)
@@ -6523,7 +6523,7 @@ static int sctp_writeable(struct sock *sk)
 {
 	int amt = 0;
 
-	amt = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
+	amt = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
 	if (amt < 0)
 		amt = 0;
 	return amt;
@@ -6652,21 +6652,6 @@ static void sctp_wait_for_close(struct sock *sk, long timeout)
 	finish_wait(sk->sk_sleep, &wait);
 }
 
-static void sctp_sock_rfree_frag(struct sk_buff *skb)
-{
-	struct sk_buff *frag;
-
-	if (!skb->data_len)
-		goto done;
-
-	/* Don't forget the fragments. */
-	skb_walk_frags(skb, frag)
-		sctp_sock_rfree_frag(frag);
-
-done:
-	sctp_sock_rfree(skb);
-}
-
 static void sctp_skb_set_owner_r_frag(struct sk_buff *skb, struct sock *sk)
 {
 	struct sk_buff *frag;
@@ -6776,7 +6761,6 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
 	sctp_skb_for_each(skb, &oldsk->sk_receive_queue, tmp) {
 		event = sctp_skb2event(skb);
 		if (event->asoc == assoc) {
-			sctp_sock_rfree_frag(skb);
 			__skb_unlink(skb, &oldsk->sk_receive_queue);
 			__skb_queue_tail(&newsk->sk_receive_queue, skb);
 			sctp_skb_set_owner_r_frag(skb, newsk);
@@ -6807,7 +6791,6 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
 		sctp_skb_for_each(skb, &oldsp->pd_lobby, tmp) {
 			event = sctp_skb2event(skb);
 			if (event->asoc == assoc) {
-				sctp_sock_rfree_frag(skb);
 				__skb_unlink(skb, &oldsp->pd_lobby);
 				__skb_queue_tail(queue, skb);
 				sctp_skb_set_owner_r_frag(skb, newsk);
@@ -6822,15 +6805,11 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
 
 	}
 
-	sctp_skb_for_each(skb, &assoc->ulpq.reasm, tmp) {
-		sctp_sock_rfree_frag(skb);
+	sctp_skb_for_each(skb, &assoc->ulpq.reasm, tmp)
 		sctp_skb_set_owner_r_frag(skb, newsk);
-	}
 
-	sctp_skb_for_each(skb, &assoc->ulpq.lobby, tmp) {
-		sctp_sock_rfree_frag(skb);
+	sctp_skb_for_each(skb, &assoc->ulpq.lobby, tmp)
 		sctp_skb_set_owner_r_frag(skb, newsk);
-	}
 
 	/* Set the type of socket to indicate that it is peeled off from the
 	 * original UDP-style socket or created with the accept() call on a