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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:36 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:36 +0000 |
| commit | 50ba0232fd5312410f1b65247e774244f89a628e (patch) | |
| tree | fd8f2fc78e9e548af0ff9590276602ee6125be00 /net/ieee802154/core.c | |
| parent | Releasing progress-linux version 6.7.12-1~progress7.99u1. (diff) | |
| download | linux-50ba0232fd5312410f1b65247e774244f89a628e.tar.xz linux-50ba0232fd5312410f1b65247e774244f89a628e.zip | |
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/ieee802154/core.c')
| -rw-r--r-- | net/ieee802154/core.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/net/ieee802154/core.c b/net/ieee802154/core.c index 57546e07e0..60e8fff134 100644 --- a/net/ieee802154/core.c +++ b/net/ieee802154/core.c @@ -198,6 +198,25 @@ void wpan_phy_free(struct wpan_phy *phy) } EXPORT_SYMBOL(wpan_phy_free); +static void cfg802154_free_peer_structures(struct wpan_dev *wpan_dev) +{ + struct ieee802154_pan_device *child, *tmp; + + mutex_lock(&wpan_dev->association_lock); + + kfree(wpan_dev->parent); + wpan_dev->parent = NULL; + + list_for_each_entry_safe(child, tmp, &wpan_dev->children, node) { + list_del(&child->node); + kfree(child); + } + + wpan_dev->nchildren = 0; + + mutex_unlock(&wpan_dev->association_lock); +} + int cfg802154_switch_netns(struct cfg802154_registered_device *rdev, struct net *net) { @@ -276,6 +295,9 @@ static int cfg802154_netdev_notifier_call(struct notifier_block *nb, wpan_dev->identifier = ++rdev->wpan_dev_id; list_add_rcu(&wpan_dev->list, &rdev->wpan_dev_list); rdev->devlist_generation++; + mutex_init(&wpan_dev->association_lock); + INIT_LIST_HEAD(&wpan_dev->children); + wpan_dev->max_associations = SZ_16K; wpan_dev->netdev = dev; break; @@ -291,6 +313,8 @@ static int cfg802154_netdev_notifier_call(struct notifier_block *nb, rdev->opencount++; break; case NETDEV_UNREGISTER: + cfg802154_free_peer_structures(wpan_dev); + /* It is possible to get NETDEV_UNREGISTER * multiple times. To detect that, check * that the interface is still on the list |