linux-kernel - Re: [PATCH 2/4] inkern: iio_device

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Date:	Tue, 04 Jun 2013 18:28:55 +0100
From:	Jonathan Cameron <jic23@...nel.org>
To:	Joe Perches <joe@...ches.com>
CC:	linux-kernel@...r.kernel.org, Jonathan Cameron <jic23@....ac.uk>,
	linux-iio@...r.kernel.org
Subject: Re: [PATCH 2/4] inkern: iio_device_put after incorrect return/goto

On 06/04/2013 03:44 PM, Joe Perches wrote:
> The code uses
> 
>     return foo;
>     goto err_type;
> 
> when instead the form should have been
> 
>     ret = foo;
>     goto err_type;
> 
> Here this causes a useful iio_device_put to be skipped.
> 
> Signed-off-by: Joe Perches <joe@...ches.com>
Applied to fixes-togreg branch of iio.git

Thanks,
> ---
>  drivers/iio/inkern.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
> index 795d100..dca4eed 100644
> --- a/drivers/iio/inkern.c
> +++ b/drivers/iio/inkern.c
> @@ -124,7 +124,7 @@ static int __of_iio_channel_get(struct iio_channel *channel,
>  	channel->indio_dev = indio_dev;
>  	index = iiospec.args_count ? iiospec.args[0] : 0;
>  	if (index >= indio_dev->num_channels) {
> -		return -EINVAL;
> +		err = -EINVAL;
>  		goto err_put;
>  	}
>  	channel->channel = &indio_dev->channels[index];
> 
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