From: Brian Norris <briannorris@chromium.org>
To: linux-wireless <linux-wireless@vger.kernel.org>,
Kalle Valo <kvalo@codeaurora.org>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
Ganapathi Bhat <ganapathi017@gmail.com>,
Sharvari Harisangam <sharvari.harisangam@nxp.com>,
Amitkumar Karwar <amitkarwar@gmail.com>,
Xinming Hu <huxinming820@gmail.com>,
stable <stable@vger.kernel.org>,
Maximilian Luz <luzmaximilian@gmail.com>,
dave@bewaar.me, Johannes Berg <johannes@sipsolutions.net>
Subject: Re: [PATCH 5.13] mwifiex: bring down link before deleting interface
Date: Thu, 10 Jun 2021 17:18:31 -0700 [thread overview]
Message-ID: <CA+ASDXMDtWpZ-xrymmq51j4TjPT-NXs61-7q=sn090BoJu9qDg@mail.gmail.com> (raw)
In-Reply-To: <20210515024227.2159311-1-briannorris@chromium.org>
On Fri, May 14, 2021 at 7:45 PM Brian Norris <briannorris@chromium.org> wrote:
>
> We can deadlock when rmmod'ing the driver or going through firmware
> reset, because the cfg80211_unregister_wdev() has to bring down the link
> for us, ... which then grab the same wiphy lock.
...
> Fixes: a05829a7222e ("cfg80211: avoid holding the RTNL when calling the driver")
> Cc: stable@vger.kernel.org
> Link: https://lore.kernel.org/linux-wireless/98392296-40ee-6300-369c-32e16cff3725@gmail.com/
> Link: https://lore.kernel.org/linux-wireless/ab4d00ce52f32bd8e45ad0448a44737e@bewaar.me/
> Reported-by: Maximilian Luz <luzmaximilian@gmail.com>
> Reported-by: dave@bewaar.me
> Cc: Johannes Berg <johannes@sipsolutions.net>
> Signed-off-by: Brian Norris <briannorris@chromium.org>
Ping - is this going to get merged? It's a 5.12 regression, and we
have multiple people complaining about it (and they tested the fix
too!).
Thanks,
Brian
next prev parent reply other threads:[~2021-06-11 0:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-15 2:42 [PATCH 5.13] mwifiex: bring down link before deleting interface Brian Norris
2021-05-15 11:36 ` Maximilian Luz
2021-05-15 15:10 ` Dave Olsthoorn
2021-05-15 15:40 ` mwifiex firmware crash (Was: Re: [PATCH 5.13] mwifiex: bring down link before deleting interface) Pali Rohár
2021-05-15 16:32 ` mwifiex firmware crash Dave Olsthoorn
2021-05-15 16:53 ` Pali Rohár
2021-05-19 19:20 ` Dave Olsthoorn
2021-06-11 0:18 ` Brian Norris [this message]
2021-06-11 9:53 ` [PATCH 5.13] mwifiex: bring down link before deleting interface Kalle Valo
2021-06-11 10:03 ` Kalle Valo
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