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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-07-11 09:24:10 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-07-11 09:24:10 +0300 |
| commit | 597473720f4dc69749542bfcfed4a927a43d935e (patch) | |
| tree | 711bf773910fb93d1dd9120c633adc807685e0d8 /drivers/net/xen-netback/interface.c | |
| parent | f0dd687815f9546860fc3ac4379d55da045942c9 (diff) | |
| parent | 593fdd4fb44ef2cbf4ec53ec2c6eb60eb079bb4c (diff) | |
| download | linux-597473720f4dc69749542bfcfed4a927a43d935e.tar.xz | |
Merge branch 'next' into for-linus
Prepare input updates for 5.3 merge window.
Diffstat (limited to 'drivers/net/xen-netback/interface.c')
| -rw-r--r-- | drivers/net/xen-netback/interface.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 182d6770f102..6da12518e693 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -153,6 +153,13 @@ static u16 xenvif_select_queue(struct net_device *dev, struct sk_buff *skb, { struct xenvif *vif = netdev_priv(dev); unsigned int size = vif->hash.size; + unsigned int num_queues; + + /* If queues are not set up internally - always return 0 + * as the packet going to be dropped anyway */ + num_queues = READ_ONCE(vif->num_queues); + if (num_queues < 1) + return 0; if (vif->hash.alg == XEN_NETIF_CTRL_HASH_ALGORITHM_NONE) return fallback(dev, skb, NULL) % dev->real_num_tx_queues; |