linux-kernel - Re: linux-next: build failure after merge of the tip tree

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Message-ID: <20241101141952.4990f238@canb.auug.org.au>
Date: Fri, 1 Nov 2024 14:19:52 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
 "H. Peter Anvin" <hpa@...or.com>, Peter Zijlstra <peterz@...radead.org>
Cc: Przemek Kitszel <przemyslaw.kitszel@...el.com>, Linux Kernel Mailing
 List <linux-kernel@...r.kernel.org>, Linux Next Mailing List
 <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the tip tree

Hi all,

On Mon, 28 Oct 2024 16:53:36 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> After merging the tip tree, today's linux-next build (x86_64 allmodconfig)
> failed like this:
> 
> drivers/iio/magnetometer/af8133j.c: In function 'af8133j_set_scale':
> drivers/iio/magnetometer/af8133j.c:315:12: error: suggest explicit braces to avoid ambiguous 'else' [-Werror=dangling-else]
>   315 |         if (!pm_runtime_status_suspended(dev))
>       |            ^
> cc1: all warnings being treated as errors
> 
> Probably caused by commit
> 
>   fcc22ac5baf0 ("cleanup: Adjust scoped_guard() macros to avoid potential warning")
> 
> I have applied the following for today but I wonder if there may be
> others.
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Mon, 28 Oct 2024 16:01:15 +1100
> Subject: [PATCH] fix up for "cleanup: Adjust scoped_guard() macros to avoid
>  potential warning"
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
>  drivers/iio/magnetometer/af8133j.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/magnetometer/af8133j.c b/drivers/iio/magnetometer/af8133j.c
> index d81d89af6283..acd291f3e792 100644
> --- a/drivers/iio/magnetometer/af8133j.c
> +++ b/drivers/iio/magnetometer/af8133j.c
> @@ -312,10 +312,11 @@ static int af8133j_set_scale(struct af8133j_data *data,
>  	 * When suspended, just store the new range to data->range to be
>  	 * applied later during power up.
>  	 */
> -	if (!pm_runtime_status_suspended(dev))
> +	if (!pm_runtime_status_suspended(dev)) {
>  		scoped_guard(mutex, &data->mutex)
>  			ret = regmap_write(data->regmap,
>  					   AF8133J_REG_RANGE, range);
> +	}
>  
>  	pm_runtime_enable(dev);
>  

I am still applying this patch.

-- 
Cheers,
Stephen Rothwell

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