Commit 6fa9864b authored by David S. Miller's avatar David S. Miller
Browse files

net: Clean up explicit ->tx_queue references in link watch.

First, we add a qdisc_tx_changing() helper which returns true if the
qdisc attachment is in transition.

Second, we remove an assertion warning which is of limited value and
is hard to express precisely in a multiqueue environment.
Signed-off-by: default avatarDavid S. Miller <>
parent 3e745dd6
......@@ -242,6 +242,14 @@ static inline bool qdisc_all_tx_empty(const struct net_device *dev)
return (q->q.qlen == 0);
/* Are any of the TX qdiscs changing? */
static inline bool qdisc_tx_changing(struct net_device *dev)
struct netdev_queue *txq = &dev->tx_queue;
return (txq->qdisc != txq->qdisc_sleeping);
static inline int __qdisc_enqueue_tail(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff_head *list)
......@@ -77,12 +77,10 @@ static void rfc2863_policy(struct net_device *dev)
static int linkwatch_urgent_event(struct net_device *dev)
static bool linkwatch_urgent_event(struct net_device *dev)
struct netdev_queue *txq = &dev->tx_queue;
return netif_running(dev) && netif_carrier_ok(dev) &&
txq->qdisc != txq->qdisc_sleeping;
......@@ -182,12 +180,9 @@ static void __linkwatch_run_queue(int urgent_only)
if (dev->flags & IFF_UP) {
if (netif_carrier_ok(dev)) {
struct netdev_queue *txq = &dev->tx_queue;
WARN_ON(txq->qdisc_sleeping == &noop_qdisc);
if (netif_carrier_ok(dev))
} else
......@@ -218,7 +213,7 @@ static void linkwatch_event(struct work_struct *dummy)
void linkwatch_fire_event(struct net_device *dev)
int urgent = linkwatch_urgent_event(dev);
bool urgent = linkwatch_urgent_event(dev);
if (!test_and_set_bit(__LINK_STATE_LINKWATCH_PENDING, &dev->state)) {
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