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

From: Kalle Valo <[email-masked]>
Date: Mon, 28 Nov 2016 09:25:30 +0200

Stephen Rothwell <[email-masked]> 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