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lan78xx: Do not access skb_queue_head list pointers directly.

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Use skb_queue_walk() instead.

Adjust inner loop test to utilize and skb_queue_is_first().
Unfortunately we have to keep pkt_cnt around because it is
used by a latter loop in this function.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-08-06 23:12:17 -07:00
parent 7957a9dea8
commit e42a43a5ca
1 changed files with 2 additions and 2 deletions
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4
drivers/net/usb/lan78xx.c
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@ -3340,9 +3340,9 @@ static void lan78xx_tx_bh(struct lan78xx_net *dev)
count = 0;
length = 0;
spin_lock_irqsave(&tqp->lock, flags);
for (skb = tqp->next; pkt_cnt < tqp->qlen; skb = skb->next) {
skb_queue_walk(tqp, skb) {
if (skb_is_gso(skb)) {
if (pkt_cnt) {
if (!skb_queue_is_first(tqp, skb)) {
/* handle previous packets first */
break;
}