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Subject: Re: wifi: mwifiex: fix error recovery in PCIE buffer descriptor
 management
From:   Kalle Valo <kvalo@kernel.org>
In-Reply-To: <20230731074334.56463-1-dmantipov@yandex.ru>
References: <20230731074334.56463-1-dmantipov@yandex.ru>
To:     Dmitry Antipov <dmantipov@yandex.ru>
Cc:     Brian Norris <briannorris@chromium.org>,
        linux-wireless@vger.kernel.org,
        Dmitry Antipov <dmantipov@yandex.ru>
User-Agent: pwcli/0.1.1-git (https://github.com/kvalo/pwcli/) Python/3.11.2
Message-ID: <169097126949.265879.7193434194073843607.kvalo@kernel.org>
Date:   Wed,  2 Aug 2023 10:14:31 +0000 (UTC)
Precedence: bulk

Dmitry Antipov <dmantipov@yandex.ru> wrote:

> Add missing 'kfree_skb()' in 'mwifiex_init_rxq_ring()' and never do
> 'kfree(card->rxbd_ring_vbase)' because this area is DMAed and should
> be released with 'dma_free_coherent()'. The latter is performed in
> 'mwifiex_pcie_delete_rxbd_ring()', which is now called to recover
> from possible errors in 'mwifiex_pcie_create_rxbd_ring()'. Likewise
> for 'mwifiex_pcie_init_evt_ring()', 'kfree(card->evtbd_ring_vbase)'
> 'mwifiex_pcie_delete_evtbd_ring()' and 'mwifiex_pcie_create_rxbd_ring()'.
> 
> Fixes: d930faee141b ("mwifiex: add support for Marvell pcie8766 chipset")
> Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
> Acked-by: Brian Norris <briannorris@chromium.org>

Patch applied to wireless-next.git, thanks.

288c63d5cb46 wifi: mwifiex: fix error recovery in PCIE buffer descriptor management

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20230731074334.56463-1-dmantipov@yandex.ru/

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