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Message-ID: <4B9F64DC.3080602@cam.ac.uk>
Date:	Tue, 16 Mar 2010 11:00:44 +0000
From:	Jonathan Cameron <jic23@....ac.uk>
To:	Dan Carpenter <error27@...il.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [patch] iio: test for failed allocation

On 03/16/10 10:03, Dan Carpenter wrote:
> We should return test to see if iio_allocate_trigger() fails and return -ENOMEM.
> 
> Signed-off-by: Dan Carpenter <error27@...il.com>
Indeed.  Another one for the stupid errors pile!

Thanks.

Acked-by: Jonathan Cameron <jic23@....ac.uk>
> 
> diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c
> index a6b7c72..db3270f 100644
> --- a/drivers/staging/iio/accel/lis3l02dq_ring.c
> +++ b/drivers/staging/iio/accel/lis3l02dq_ring.c
> @@ -492,6 +492,9 @@ int lis3l02dq_probe_trigger(struct iio_dev *indio_dev)
>  	struct lis3l02dq_state *state = indio_dev->dev_data;
>  
>  	state->trig = iio_allocate_trigger();
> +	if (!state->trig)
> +		return -ENOMEM;
> +
>  	state->trig->name = kmalloc(IIO_TRIGGER_NAME_LENGTH, GFP_KERNEL);
>  	if (!state->trig->name) {
>  		ret = -ENOMEM;
> 

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