linux-kernel - Re: [PATCH v2 0/3] Avoid calling WARN_ON() on allocation failure in cfg80211_switch

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Message-ID: <20250407173036.30549-1-kuniyu@amazon.com>
Date: Mon, 7 Apr 2025 10:29:57 -0700
From: Kuniyuki Iwashima <kuniyu@...zon.com>
To: <i.abramov@...integration.ru>
CC: <johannes@...solutions.net>, <linux-kernel@...r.kernel.org>,
	<linux-wireless@...r.kernel.org>, <lvc-project@...uxtesting.org>,
	<netdev@...r.kernel.org>
Subject: Re: [PATCH v2 0/3] Avoid calling WARN_ON() on allocation failure in cfg80211_switch_netns()

From: Ivan Abramov <i.abramov@...integration.ru>
Date: Mon, 7 Apr 2025 15:53:41 +0300
> This series is inspired by similar series in ieee802154. As far as I know,
> there were no WARN_ON triggers in this code so far, but since it's almost
> identical to cfg802154_* counterparts, same changes are proposed.
> 
> Link to ieee802154 series: https://lore.kernel.org/netdev/20250403101935.991385-1-i.abramov@mt-integration.ru/T/
> 
> v2: Add 2 patches. Also make sure to commit against latest
> netdev/net.
> 
> Ivan Abramov (3):
>   cfg80211: Restore initial state on failed device_rename() in
>     cfg80211_switch_netns()
>   cfg80211: Avoid calling WARN_ON() on -ENOMEM in
>     cfg80211_switch_netns()
>   cfg80211: Remove WARN_ON() in cfg80211_pernet_exit()

Let's see how this thread goes first.
https://lore.kernel.org/netdev/CANn89i+UQQ6GqhWisHQEL0ECNFoQqVrO+2Ee3oDzysdR7dh=Ag@mail.gmail.com/