Re: [PATCH] drivers/gpio: Check return value to silence warning

From: Alexandre Courbot
Date: Thu Aug 07 2014 - 00:46:19 EST


On Thu, Aug 7, 2014 at 1:40 PM, Nick Krause <xerofoiify@xxxxxxxxx> wrote:
> Check for return value to fix the following error
>
> drivers/gpio/gpio-sch311x.c: In function 'sch311x_gpio_probe':
> drivers/gpio/gpio-sch311x.c:286:18: warning: ignoring return value of
> 'gpiochip_remove', declared with attribute warn_unused_result [-Wunused-result]
>
> in the context we do not need to check but checking makes compiler happy.
> With help from kernelnewbies.

This patch is not needed: the warn_unused_result has been removed for
3.17, and gpiochip_remove will be changed to return void soon anyway.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/