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atm: Introduce vcc_process_recv_queue

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This function moves the implementation found in the clip and br2684
modules to common code, correctly unlinks the skb from the queue
before pushing it and makes pppoatm use it.

Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jorge Boncompte [DTI2]
2011-11-21 10:25:57 +00:00
committed by David S. Miller
parent 3b829366cc
commit 4e55f57858
5 changed files with 31 additions and 27 deletions
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13
net/atm/clip.c
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@ -455,10 +455,7 @@ static netdev_tx_t clip_start_xmit(struct sk_buff *skb,
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, *tmp;
unsigned long flags;
if (!vcc->push)
return -EBADFD;
@ -479,16 +476,8 @@ 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);
skb_queue_splice_init(rq, &queue);
spin_unlock_irqrestore(&rq->lock, flags);
/* re-process everything received between connection setup and MKIP */
skb_queue_walk_safe(&queue, skb, tmp)
clip_push(vcc, skb);
vcc_process_recv_queue(vcc);
return 0;
}