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

From: Jes Sorensen
Date: Mon Nov 28 2016 - 07:26:23 EST


Kalle Valo <kvalo@xxxxxxxxxxxxxx> writes:
> Barry Day <briselec@xxxxxxxxx> writes:
>
>> On Mon, Nov 28, 2016 at 09:25:30AM +0200, Kalle Valo wrote:
>>> Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> 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
>
> Thanks, I see it:
>
> https://patchwork.kernel.org/patch/9448225/
>
> The commit log doesn't mention anything about the compilation warning,
> I'll add that. Also a Fixes line is nice to have.

I'm happy with this fix

Acked-by: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>