From: Ivan Abramov Date: Thu, 3 Apr 2025 10:19:34 +0000 (+0300) Subject: ieee802154: Remove WARN_ON() in cfg802154_pernet_exit() X-Git-Tag: v7.2-rc1~29^2~74^2~7 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e69ed6fc9fb3b386b5fcdb9f51623f122cee2ebd;p=thirdparty%2Fkernel%2Flinux.git ieee802154: Remove WARN_ON() in cfg802154_pernet_exit() 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") Reviewed-by: Miquel Raynal Signed-off-by: Ivan Abramov Link: https://lore.kernel.org/20250403101935.991385-4-i.abramov@mt-integration.ru Signed-off-by: Stefan Schmidt --- diff --git a/net/ieee802154/core.c b/net/ieee802154/core.c index 987c633e2c549..c0b8712018a16 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(); }