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net-sysfs: use check_net()

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Don't directly acess the namespace count. There's even a dedicated
helper for this.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2025-09-18 12:11:53 +02:00
parent 96d997ea5a
commit 83914de1c1
No known key found for this signature in database
GPG key ID: 91C61BC06578DCA2
1 changed files with 3 additions and 3 deletions
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6
net/core/net-sysfs.c
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@ -1328,7 +1328,7 @@ net_rx_queue_update_kobjects(struct net_device *dev, int old_num, int new_num)
struct netdev_rx_queue *queue = &dev->_rx[i];
struct kobject *kobj = &queue->kobj;
if (!refcount_read(&dev_net(dev)->ns.count))
if (!check_net(dev_net(dev)))
kobj->uevent_suppress = 1;
if (dev->sysfs_rx_queue_group)
sysfs_remove_group(kobj, dev->sysfs_rx_queue_group);
@ -2061,7 +2061,7 @@ netdev_queue_update_kobjects(struct net_device *dev, int old_num, int new_num)
while (--i >= new_num) {
struct netdev_queue *queue = dev->_tx + i;
if (!refcount_read(&dev_net(dev)->ns.count))
if (!check_net(dev_net(dev)))
queue->kobj.uevent_suppress = 1;
if (netdev_uses_bql(dev))
@ -2315,7 +2315,7 @@ void netdev_unregister_kobject(struct net_device *ndev)
{
struct device *dev = &ndev->dev;
if (!refcount_read(&dev_net(ndev)->ns.count))
if (!check_net(dev_net(ndev)))
dev_set_uevent_suppress(dev, 1);
kobject_get(&dev->kobj);