lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

atm: Use SKB queue and list helpers instead of doing it by-hand.

Browse Source 
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2009-05-28 16:36:47 -07:00
parent 46c37672d7
commit b6211ae7f2
2 changed files with 17 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
net/atm/clip.c
View File

@@ -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;
}