diff options
| -rw-r--r-- | net/core/net-sysfs.c | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 946caefdd959..af238026ac3c 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -1459,6 +1459,9 @@ static const struct attribute_group dql_group = { .name = "byte_queue_limits", .attrs = dql_attrs, }; +#else +/* Fake declaration, all the code using it should be dead */ +extern const struct attribute_group dql_group; #endif /* CONFIG_BQL */ #ifdef CONFIG_XPS @@ -1696,6 +1699,15 @@ static const struct kobj_type netdev_queue_ktype = { .get_ownership = netdev_queue_get_ownership, }; +static bool netdev_uses_bql(const struct net_device *dev) +{ + if (dev->features & NETIF_F_LLTX || + dev->priv_flags & IFF_NO_QUEUE) + return false; + + return IS_ENABLED(CONFIG_BQL); +} + static int netdev_queue_add_kobject(struct net_device *dev, int index) { struct netdev_queue *queue = dev->_tx + index; @@ -1713,11 +1725,11 @@ static int netdev_queue_add_kobject(struct net_device *dev, int index) if (error) goto err; -#ifdef CONFIG_BQL - error = sysfs_create_group(kobj, &dql_group); - if (error) - goto err; -#endif + if (netdev_uses_bql(dev)) { + error = sysfs_create_group(kobj, &dql_group); + if (error) + goto err; + } kobject_uevent(kobj, KOBJ_ADD); return 0; @@ -1738,9 +1750,9 @@ static int tx_queue_change_owner(struct net_device *ndev, int index, if (error) return error; -#ifdef CONFIG_BQL - error = sysfs_group_change_owner(kobj, &dql_group, kuid, kgid); -#endif + if (netdev_uses_bql(ndev)) + error = sysfs_group_change_owner(kobj, &dql_group, kuid, kgid); + return error; } #endif /* CONFIG_SYSFS */ @@ -1772,9 +1784,10 @@ netdev_queue_update_kobjects(struct net_device *dev, int old_num, int new_num) if (!refcount_read(&dev_net(dev)->ns.count)) queue->kobj.uevent_suppress = 1; -#ifdef CONFIG_BQL - sysfs_remove_group(&queue->kobj, &dql_group); -#endif + + if (netdev_uses_bql(dev)) + sysfs_remove_group(&queue->kobj, &dql_group); + kobject_put(&queue->kobj); } |