linux-kernel - Re: [PATCH] wl3501: fix alignment constraints

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Date:   Mon,  8 Feb 2021 11:22:21 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] wl3501: fix alignment constraints

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

> From: Arnd Bergmann <arnd@...db.de>
> 
> struct wl3501_80211_tx_hdr contains a ieee80211_hdr structure, which is
> required to have at least two byte alignment, and this conflicts with
> the __packed attribute:
> 
> wireless/wl3501.h:553:1: warning: alignment 1 of 'struct wl3501_80211_tx_hdr' is less than 2 [-Wpacked-not-aligned]
> 
> Mark wl3501_80211_tx_hdr 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.

fb1bc2ce3a55 wl3501: fix alignment constraints

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20210204162653.3113749-1-arnd@kernel.org/

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