| Message ID | 20250403082021.990667-4-i.abramov@mt-integration.ru (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | Avoid calling WARN_ON() on allocation failure in cfg802154_switch_netns() | expand |
diff --git a/net/ieee802154/core.c b/net/ieee802154/core.c index 987c633e2c54..c0b8712018a1 100644 --- a/net/ieee802154/core.c +++ b/net/ieee802154/core.c @@ -358,7 +358,7 @@ static void __net_exit cfg802154_pernet_exit(struct net *net) rtnl_lock(); list_for_each_entry(rdev, &cfg802154_rdev_list, list) { if (net_eq(wpan_phy_net(&rdev->wpan_phy), net)) - WARN_ON(cfg802154_switch_netns(rdev, &init_net)); + cfg802154_switch_netns(rdev, &init_net); } rtnl_unlock(); }
There's no need to call WARN_ON() in cfg802154_pernet_exit(), since every point of failure in cfg802154_switch_netns() is covered with WARN_ON(), so remove it. Found by Linux Verification Center (linuxtesting.org) with Syzkaller. Fixes: 66e5c2672cd1 ("ieee802154: add netns support") Signed-off-by: Ivan Abramov <i.abramov@mt-integration.ru> --- v2: Make sure to commit against latest netdev/net. net/ieee802154/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)