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net-sysfs: update the queue counts in the unregistration path 

When updating Rx and Tx queue kobjects, the queue count should always be
updated to match the queue kobjects count. This was not done in the net
device unregistration path, fix it. Tracking all queue count updates
will allow in a following up patch to detect illegal updates.

Signed-off-by: Antoine Tenart <atenart@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Antoine Tenart 2021-12-07 15:57:24 +01:00 committed by Jakub Kicinski
parent 16daf3d9ec
commit d7dac08341
1 changed files with 3 additions and 0 deletions
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3
net/core/net-sysfs.c
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@ -1808,6 +1808,9 @@ static void remove_queue_kobjects(struct net_device *dev)
net_rx_queue_update_kobjects(dev, real_rx, 0);
netdev_queue_update_kobjects(dev, real_tx, 0);
dev->real_num_rx_queues = 0;
dev->real_num_tx_queues = 0;
#ifdef CONFIG_SYSFS
kset_unregister(dev->queues_kset);
#endif