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

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Date:   Mon, 28 Nov 2016 18:16:51 +1000
From:   Barry Day <briselec@...il.com>
To:     Kalle Valo <kvalo@...eaurora.org>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Jes Sorensen <Jes.Sorensen@...hat.com>,
        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

On Mon, Nov 28, 2016 at 09:25:30AM +0200, Kalle Valo wrote:
> 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

I posted a patch on the 26th that fixes this

Barry