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authorDavid S. Miller <davem@davemloft.net>2009-05-29 01:36:47 +0200
committerDavid S. Miller <davem@davemloft.net>2009-05-29 01:36:47 +0200
commitb6211ae7f2e56837c6a4849316396d1535606e90 (patch)
tree4145a71b4832290a70f5932b2b962f94b940b56a /net/atm/clip.c
parentrtl8187: Remove pointless check in rtl8187_rx_cb(). (diff)
downloadlinux-b6211ae7f2e56837c6a4849316396d1535606e90.tar.xz
linux-b6211ae7f2e56837c6a4849316396d1535606e90.zip
atm: 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/atm/clip.c')
-rw-r--r--net/atm/clip.c27
1 files changed, 8 insertions, 19 deletions
diff --git a/net/atm/clip.c b/net/atm/clip.c
index 3dc0a3a42a57..5597b87b9e64 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -445,9 +445,9 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
static int clip_mkip(struct atm_vcc *vcc, int timeout)
{
+ struct sk_buff_head *rq, queue;
struct clip_vcc *clip_vcc;
- struct sk_buff *skb;
- struct sk_buff_head *rq;
+ struct sk_buff *skb, *tmp;
unsigned long flags;
if (!vcc->push)
@@ -469,39 +469,28 @@ static int clip_mkip(struct atm_vcc *vcc, int timeout)
vcc->push = clip_push;
vcc->pop = clip_pop;
+ __skb_queue_head_init(&queue);
rq = &sk_atm(vcc)->sk_receive_queue;
spin_lock_irqsave(&rq->lock, flags);
- if (skb_queue_empty(rq)) {
- skb = NULL;
- } else {
- /* NULL terminate the list. */
- rq->prev->next = NULL;
- skb = rq->next;
- }
- rq->prev = rq->next = (struct sk_buff *)rq;
- rq->qlen = 0;
+ skb_queue_splice_init(rq, &queue);
spin_unlock_irqrestore(&rq->lock, flags);
/* re-process everything received between connection setup and MKIP */
- while (skb) {
- struct sk_buff *next = skb->next;
-
- skb->next = skb->prev = NULL;
+ skb_queue_walk_safe(&queue, skb, tmp) {
if (!clip_devs) {
atm_return(vcc, skb->truesize);
kfree_skb(skb);
} else {
+ struct net_device *dev = skb->dev;
unsigned int len = skb->len;
skb_get(skb);
clip_push(vcc, skb);
- skb->dev->stats.rx_packets--;
- skb->dev->stats.rx_bytes -= len;
+ dev->stats.rx_packets--;
+ dev->stats.rx_bytes -= len;
kfree_skb(skb);
}
-
- skb = next;
}
return 0;
}