Re: [PATCH] mwifiex: duplicate static structs used in driver instances

From: Kalle Valo
Date: Fri Aug 09 2024 - 04:14:50 EST


Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> writes:

> 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.
>
> 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@xxxxxxxxxxxxxxx
> Fixes: d6bffe8bb520 ("mwifiex: support for creation of AP interface")
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>

Should this go to wireless tree for v6.11?

"wifi:" missing in subject but I can add that, no need to resend because
of this.

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