linux-kernel - Re: [PATCH] staging:iio:dac: Fix kcalloc parameters swapped

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Date:	Sun, 12 Feb 2012 13:09:42 +0100
From:	Lars-Peter Clausen <lars@...afoo.de>
To:	Axel Lin <axel.lin@...il.com>
CC:	linux-kernel@...r.kernel.org,
	Michael Hennerich <michael.hennerich@...log.com>,
	Jonathan Cameron <jic23@....ac.uk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-iio@...r.kernel.org, devel@...verdev.osuosl.org
Subject: Re: [PATCH] staging:iio:dac: Fix kcalloc parameters swapped

On 02/11/2012 02:00 AM, Axel Lin wrote:
> The first parameter should be "number of elements" and the second parameter
> should be "element size".
> 
> Signed-off-by: Axel Lin <axel.lin@...il.com>

Acked-by: Lars-Peter Clausen <lars@...afoo.de>

> ---
>  drivers/staging/iio/dac/ad5360.c |    4 ++--
>  drivers/staging/iio/dac/ad5380.c |    4 ++--
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/staging/iio/dac/ad5360.c b/drivers/staging/iio/dac/ad5360.c
> index 710b256..cec3693 100644
> --- a/drivers/staging/iio/dac/ad5360.c
> +++ b/drivers/staging/iio/dac/ad5360.c
> @@ -439,8 +439,8 @@ static int __devinit ad5360_alloc_channels(struct iio_dev *indio_dev)
>  	struct iio_chan_spec *channels;
>  	unsigned int i;
>  
> -	channels = kcalloc(sizeof(struct iio_chan_spec),
> -			st->chip_info->num_channels, GFP_KERNEL);
> +	channels = kcalloc(st->chip_info->num_channels,
> +			   sizeof(struct iio_chan_spec), GFP_KERNEL);
>  
>  	if (!channels)
>  		return -ENOMEM;
> diff --git a/drivers/staging/iio/dac/ad5380.c b/drivers/staging/iio/dac/ad5380.c
> index eff97ae0..4c50716 100644
> --- a/drivers/staging/iio/dac/ad5380.c
> +++ b/drivers/staging/iio/dac/ad5380.c
> @@ -363,8 +363,8 @@ static int __devinit ad5380_alloc_channels(struct iio_dev *indio_dev)
>  	struct iio_chan_spec *channels;
>  	unsigned int i;
>  
> -	channels = kcalloc(sizeof(struct iio_chan_spec),
> -			st->chip_info->num_channels, GFP_KERNEL);
> +	channels = kcalloc(st->chip_info->num_channels,
> +			   sizeof(struct iio_chan_spec), GFP_KERNEL);
>  
>  	if (!channels)
>  		return -ENOMEM;

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