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From: Brian Norris <briannorris@chromium.org>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Francesco Dolcini <francesco@dolcini.it>,
	Kalle Valo <kvalo@kernel.org>,
	Yogesh Ashok Powar <yogeshp@marvell.com>,
	Bing Zhao <bzhao@marvell.com>,
	"John W. Linville" <linville@tuxdriver.com>,
	Amitkumar Karwar <akarwar@marvell.com>,
	Avinash Patil <patila@marvell.com>,
	Kiran Divekar <dkiran@marvell.com>,
	linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org,
	kernel@pengutronix.de, stable@vger.kernel.org
Subject: Re: [PATCH] mwifiex: duplicate static structs used in driver instances
Date: Tue, 13 Aug 2024 09:47:13 -0700	[thread overview]
Message-ID: <ZruOERPfLACNlw7P@google.com> (raw)
In-Reply-To: <20240809-mwifiex-duplicate-static-structs-v1-1-6837b903b1a4@pengutronix.de>

On Fri, Aug 09, 2024 at 10:11:33AM +0200, Sascha Hauer wrote:
> mwifiex_band_2ghz and mwifiex_band_5ghz are statically allocated, but
> used and modified in driver instances. Duplicate them before using
> them in driver instances so that different driver instances do not
> influence each other.

Ugh, I caught a few problems like this on the first several passes of
review, but I missed a few more. Thanks for the catches.

> This was observed on a board which has one PCIe and one SDIO mwifiex
> adapter. It blew up in mwifiex_setup_ht_caps(). This was called with
> the statically allocated struct which is modified in this function.
> 
> Cc: stable@vger.kernel.org
> Fixes: d6bffe8bb520 ("mwifiex: support for creation of AP interface")
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Acked-by: Brian Norris <briannorris@chromium.org>

  parent reply	other threads:[~2024-08-13 16:47 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-09  8:11 [PATCH] mwifiex: duplicate static structs used in driver instances Sascha Hauer
2024-08-09  8:14 ` Kalle Valo
2024-08-09  8:23   ` Sascha Hauer
2024-08-09  8:49 ` Ping-Ke Shih
2024-08-09  9:12   ` Sascha Hauer
2024-08-09  9:26     ` Ping-Ke Shih
2024-08-09 12:42 ` Francesco Dolcini
2024-08-13 16:47 ` Brian Norris [this message]
2024-08-16  9:48 ` wifi: " Kalle Valo

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