netdev - Re: [PATCH] wifi: rsi: Do not configure WoWlan in shutdown hook if not enabled

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date: Thu,  8 Jun 2023 16:01:49 +0000 (UTC)
From: Kalle Valo <kvalo@...nel.org>
To: Marek Vasut <marex@...x.de>
Cc: linux-wireless@...r.kernel.org, Marek Vasut <marex@...x.de>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Jilin Yuan <yuanjilin@...rlc.com>,
 Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org
Subject: Re: [PATCH] wifi: rsi: Do not configure WoWlan in shutdown hook if
 not
 enabled

Marek Vasut <marex@...x.de> wrote:

> In case WoWlan was never configured during the operation of the system,
> the hw->wiphy->wowlan_config will be NULL. rsi_config_wowlan() checks
> whether wowlan_config is non-NULL and if it is not, then WARNs about it.
> The warning is valid, as during normal operation the rsi_config_wowlan()
> should only ever be called with non-NULL wowlan_config. In shutdown this
> rsi_config_wowlan() should only ever be called if WoWlan was configured
> before by the user.
> 
> Add checks for non-NULL wowlan_config into the shutdown hook. While at it,
> check whether the wiphy is also non-NULL before accessing wowlan_config .
> Drop the single-use wowlan_config variable, just inline it into function
> call.
> 
> Fixes: 16bbc3eb8372 ("rsi: fix null pointer dereference during rsi_shutdown()")
> Signed-off-by: Marek Vasut <marex@...x.de>
> Reviewed-by: Simon Horman <simon.horman@...igine.com>

Patch applied to wireless-next.git, thanks.

b241e260820b wifi: rsi: Do not configure WoWlan in shutdown hook if not enabled

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20230527222833.273741-1-marex@denx.de/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches