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

[Linus Walleij]

On Thu, Jun 16, 2016 at 6:32 AM, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:

> After merging the gpio tree, today's linux-next build (x86_64
> allmodconfig) produced this warning:
>
> In file included from drivers/gpio/gpiolib.c:25:0:
> drivers/gpio/gpiolib.c: In function 'lineevent_irq_thread':
> include/linux/kfifo.h:403:39: warning: 'ge.id' may be used uninitialized in this function [-Wmaybe-uninitialized]
>     )[__kfifo->in & __tmp->kfifo.mask] = \
>                                        ^
> drivers/gpio/gpiolib.c:657:24: note: 'ge.id' was declared here
>   struct gpioevent_data ge;
>                         ^
>
> Introduced by commit
>
>   61f922db7221 ("gpio: userspace ABI for reading GPIO line events")
>
> This is in the kfifo_put() call.

Thanks Stephen, Arnd has already helpfully made a patch to fix it :)

Yours,
Linus Walleij