pkt_sched: Add qdisc_tx_is_noop() helper and use in IPV6.
This indicates if the NOOP scheduler is what is active for TX on a
given device.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 5c84c79..30184e0 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -229,10 +229,9 @@
const struct in6_addr in6addr_linklocal_allrouters = IN6ADDR_LINKLOCAL_ALLROUTERS_INIT;
/* Check if a valid qdisc is available */
-static inline int addrconf_qdisc_ok(struct net_device *dev)
+static inline bool addrconf_qdisc_ok(const struct net_device *dev)
{
- struct netdev_queue *txq = &dev->tx_queue;
- return (txq->qdisc != &noop_qdisc);
+ return !qdisc_tx_is_noop(dev);
}
/* Check if a route is valid prefix route */