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authorDavid S. Miller <davem@davemloft.net>2009-05-28 16:43:52 -0700
committerDavid S. Miller <davem@davemloft.net>2009-05-28 16:43:52 -0700
commitbec571ec762a4cf855ad4446f833086fc154b60e (patch)
tree4ff3f63d60bd6a7735caebedf6e27c3e3a74efe4 /net/decnet/af_decnet.c
parentb6211ae7f2e56837c6a4849316396d1535606e90 (diff)
decnet: Use SKB queue and list helpers instead of doing it by-hand.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/decnet/af_decnet.c')
-rw-r--r--net/decnet/af_decnet.c19
1 files changed, 5 insertions, 14 deletions
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 9647d911f916..bccb3887773e 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);