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| author | Joel Stanley <joel@jms.id.au> | 2019-03-15 09:00:28 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2019-03-15 09:01:07 +0300 |
| commit | 9bd1e03005e74ecfe16f58143714f25793ae1c5d (patch) | |
| tree | 557f67e781effd12a2fdf1816b757c61be8d832e /drivers/net/xen-netback/interface.c | |
| parent | 7859d04be772a1d185de335a8e9d38ac03a89f3f (diff) | |
| parent | ce194fa2b267e2018f42442347d90df01c4071d6 (diff) | |
| download | linux-dev-4.19.tar.xz | |
Merge tag 'v4.19.29' into dev-4.19dev-4.19
This is the 4.19.29 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
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 f6ae23fc3f6b..82add0ac4a5f 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; |