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tipc: use skb_queue_walk_safe marco to simplify link_prepare_wakeup routine

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Signed-off-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ying Xue 2014-11-26 11:41:51 +08:00 committed by David S. Miller
parent 99315ad43d
commit 58d78b328a
1 changed files with 6 additions and 6 deletions
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12
net/tipc/link.c
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@ -367,15 +367,15 @@ static bool link_schedule_user(struct tipc_link *link, u32 oport,
*/
static void link_prepare_wakeup(struct tipc_link *link)
{
struct sk_buff_head *wq = &link->waiting_sks;
struct sk_buff *buf;
uint pend_qsz = link->out_queue_size;
struct sk_buff *skb, *tmp;
for (buf = skb_peek(wq); buf; buf = skb_peek(wq)) {
if (pend_qsz >= link->queue_limit[TIPC_SKB_CB(buf)->chain_imp])
skb_queue_walk_safe(&link->waiting_sks, skb, tmp) {
if (pend_qsz >= link->queue_limit[TIPC_SKB_CB(skb)->chain_imp])
break;
pend_qsz += TIPC_SKB_CB(buf)->chain_sz;
__skb_queue_tail(&link->owner->waiting_sks, __skb_dequeue(wq));
pend_qsz += TIPC_SKB_CB(skb)->chain_sz;
__skb_unlink(skb, &link->waiting_sks);
__skb_queue_tail(&link->owner->waiting_sks, skb);
}
}