netdev - Re: mwl8k: fix alignment constraints

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Date:   Mon,  8 Feb 2021 11:23:29 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Lennert Buytenhek <buytenh@...tstofly.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Romain Perier <romain.perier@...il.com>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Allen Pais <allen.lkml@...il.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: mwl8k: fix alignment constraints

Arnd Bergmann <arnd@...nel.org> wrote:

> From: Arnd Bergmann <arnd@...db.de>
> 
> sturct mwl8k_dma_data contains a ieee80211_hdr structure, which is required to
> have at least two byte alignment, and this conflicts with the __packed
> attribute:
> 
> vers/net/wireless/marvell/mwl8k.c:811:1: warning: alignment 1 of 'struct mwl8k_dma_data' is less than 2 [-Wpacked-not-aligned]
> 
> Mark mwl8k_dma_data itself as having two-byte alignment to ensure the
> inner structure is properly aligned.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Patch applied to wireless-drivers-next.git, thanks.

bfdc4d7cbe57 mwl8k: fix alignment constraints

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20210204162813.3159319-1-arnd@kernel.org/

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