linux-kernel - Re: [PATCH] misc: mic: fixup return type of wait_for_completion

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Message-ID: <1423519213.4499.22.camel@rbtaylor-desk1.amr.corp.intel.com>
Date:	Mon, 09 Feb 2015 14:00:13 -0800
From:	Sudeep Dutt <sudeep.dutt@...el.com>
To:	Nicholas Mc Guire <hofrat@...dl.org>
Cc:	sudeep.dutt@...el.com, Ashutosh Dixit <ashutosh.dixit@...el.com>,
	Siva Yerramreddy <yshivakrishna@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Nikhil Rao <nikhil.rao@...el.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] misc: mic: fixup return type of
 wait_for_completion_timeout

On Mon, 2015-02-09 at 14:09 -0500, Nicholas Mc Guire wrote:
> return type of wait_for_completion_timeout is unsigned long not int. The
> rc variable is renamed timeout to reflect its use and the type adjusted to
> unsigned long.
> 

Acked-by: Sudeep Dutt <sudeep.dutt@...el.com>

Thanks for the patch!

> Signed-off-by: Nicholas Mc Guire <hofrat@...dl.org>
> ---
> 
> Patch was only compile tested with x86_64_defconfig + CONFIG_INTEL_MIC_BUS=m
> CONFIG_INTEL_MIC_HOST=m
> 
> Patch is against 3.19.0-rc7 (localversion-next is -next-20150209)
> 
>  drivers/misc/mic/host/mic_boot.c |   14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/misc/mic/host/mic_boot.c b/drivers/misc/mic/host/mic_boot.c
> index ff2b0fb..d9fa609 100644
> --- a/drivers/misc/mic/host/mic_boot.c
> +++ b/drivers/misc/mic/host/mic_boot.c
> @@ -309,7 +309,7 @@ void mic_complete_resume(struct mic_device *mdev)
>   */
>  void mic_prepare_suspend(struct mic_device *mdev)
>  {
> -	int rc;
> +	unsigned long timeout;
>  
>  #define MIC_SUSPEND_TIMEOUT (60 * HZ)
>  
> @@ -331,10 +331,10 @@ void mic_prepare_suspend(struct mic_device *mdev)
>  		 */
>  		mic_set_state(mdev, MIC_SUSPENDING);
>  		mutex_unlock(&mdev->mic_mutex);
> -		rc = wait_for_completion_timeout(&mdev->reset_wait,
> -						MIC_SUSPEND_TIMEOUT);
> +		timeout = wait_for_completion_timeout(&mdev->reset_wait,
> +						      MIC_SUSPEND_TIMEOUT);
>  		/* Force reset the card if the shutdown completion timed out */
> -		if (!rc) {
> +		if (!timeout) {
>  			mutex_lock(&mdev->mic_mutex);
>  			mic_set_state(mdev, MIC_SUSPENDED);
>  			mutex_unlock(&mdev->mic_mutex);
> @@ -348,10 +348,10 @@ void mic_prepare_suspend(struct mic_device *mdev)
>  		 */
>  		mic_set_state(mdev, MIC_SUSPENDED);
>  		mutex_unlock(&mdev->mic_mutex);
> -		rc = wait_for_completion_timeout(&mdev->reset_wait,
> -						MIC_SUSPEND_TIMEOUT);
> +		timeout = wait_for_completion_timeout(&mdev->reset_wait,
> +						      MIC_SUSPEND_TIMEOUT);
>  		/* Force reset the card if the shutdown completion timed out */
> -		if (!rc)
> +		if (!timeout)
>  			mic_stop(mdev, true);
>  		break;
>  	default:


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