From bec571ec762a4cf855ad4446f833086fc154b60e Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Thu, 28 May 2009 16:43:52 -0700 Subject: decnet: Use SKB queue and list helpers instead of doing it by-hand. Signed-off-by: David S. Miller --- net/decnet/af_decnet.c | 19 +++++-------------- 1 file changed, 5 insertions(+), 14 deletions(-) (limited to 'net/decnet/af_decnet.c') diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index 9647d911f91..bccb3887773 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -1250,14 +1250,8 @@ static int dn_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) if (skb) { amount = skb->len; } else { - skb = sk->sk_receive_queue.next; - for (;;) { - if (skb == - (struct sk_buff *)&sk->sk_receive_queue) - break; + skb_queue_walk(&sk->sk_receive_queue, skb) amount += skb->len; - skb = skb->next; - } } release_sock(sk); err = put_user(amount, (int __user *)arg); @@ -1644,13 +1638,13 @@ static int __dn_getsockopt(struct socket *sock, int level,int optname, char __us static int dn_data_ready(struct sock *sk, struct sk_buff_head *q, int flags, int target) { - struct sk_buff *skb = q->next; + struct sk_buff *skb; int len = 0; if (flags & MSG_OOB) return !skb_queue_empty(q) ? 1 : 0; - while(skb != (struct sk_buff *)q) { + skb_queue_walk(q, skb) { struct dn_skb_cb *cb = DN_SKB_CB(skb); len += skb->len; @@ -1666,8 +1660,6 @@ static int dn_data_ready(struct sock *sk, struct sk_buff_head *q, int flags, int /* minimum data length for read exceeded */ if (len >= target) return 1; - - skb = skb->next; } return 0; @@ -1683,7 +1675,7 @@ static int dn_recvmsg(struct kiocb *iocb, struct socket *sock, size_t target = size > 1 ? 1 : 0; size_t copied = 0; int rv = 0; - struct sk_buff *skb, *nskb; + struct sk_buff *skb, *n; struct dn_skb_cb *cb = NULL; unsigned char eor = 0; long timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT); @@ -1758,7 +1750,7 @@ static int dn_recvmsg(struct kiocb *iocb, struct socket *sock, finish_wait(sk->sk_sleep, &wait); } - for(skb = queue->next; skb != (struct sk_buff *)queue; skb = nskb) { + skb_queue_walk_safe(queue, skb, n) { unsigned int chunk = skb->len; cb = DN_SKB_CB(skb); @@ -1775,7 +1767,6 @@ static int dn_recvmsg(struct kiocb *iocb, struct socket *sock, skb_pull(skb, chunk); eor = cb->nsp_flags & 0x40; - nskb = skb->next; if (skb->len == 0) { skb_unlink(skb, queue); -- cgit v1.2.3-70-g09d2