[PATCH net-next 06/15] lan78xx: Do not access skb_queue_head list pointers directly.
From: David Miller <davem@davemloft.net>
Date: 2018-09-09 00:57:19
Subsystem:
networking drivers, the rest, usb lan78xx ethernet driver, usb networking drivers · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Thangaraj Samynathan
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> --- drivers/net/usb/lan78xx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 331bc99d55e7..3ce3c66559e4 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c@@ -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; }
--
2.17.1