netdev - Re: rtlwifi: rtl8192cu: remove pointless memcpy

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Date:   Tue, 27 Feb 2018 16:18:17 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Ping-Ke Shih <pkshih@...ltek.com>, Arnd Bergmann <arnd@...db.de>,
        Johannes Berg <johannes.berg@...el.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: rtlwifi: rtl8192cu: remove pointless memcpy

Arnd Bergmann <arnd@...db.de> wrote:

> gcc-8 points out that source and destination of the memcpy() are
> always the same pointer, so the effect of memcpy() is undefined
> here (its arguments must not overlap):
> 
> drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c: In function '_rtl_rx_process':
> drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c:430:2: error: 'memcpy' source argument is the same as destination [-Werror=restrict]
> 
> Most likely this is harmless, but it's easy to just remove the
> line and get rid of the warning.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Acked-by: Larry Finger <Larry.Finger@...inger.net>

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

dcdd54c2bcae rtlwifi: rtl8192cu: remove pointless memcpy

-- 
https://patchwork.kernel.org/patch/10208979/

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