linux-kernel - Re: linux-next: build warning after merge of the wireless-drivers-next tree

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Date:   Mon, 28 Nov 2016 09:25:30 +0200
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Jes Sorensen <Jes.Sorensen@...hat.com>
Cc:     Wireless <linux-wireless@...r.kernel.org>,
        linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: build warning after merge of the wireless-drivers-next tree

Stephen Rothwell <sfr@...b.auug.org.au> writes:

> Hi all,
>
> After merging the wireless-drivers-next tree, today's linux-next build
> (x86_64 allmodconfig) produced this warning:
>
> In file included from include/linux/usb/ch9.h:35:0,
>                  from include/linux/usb.h:5,
>                  from drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:32:
> drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c: In function 'rtl8xxxu_fill_txdesc_v2':
> include/linux/device.h:1214:36: warning: 'rate' may be used uninitialized in this function [-Wmaybe-uninitialized]
>  #define dev_info(dev, fmt, arg...) _dev_info(dev, fmt, ##arg)
>                                     ^
> drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:4841:6: note: 'rate' was declared here
>   u32 rate;
>       ^
>
> Introduced by commit
>
>   b4c3d9cfb607 ("rtl8xxxu: Pass tx_info to fill_txdesc in order to have access to retry count")
>
> This is a correct diagnosis.

Thanks for the report. Jes, can you send a patch to fix this? (Unless
someone else beats to it.)

-- 
Kalle Valo