Re: [PATCH] adp1653: check platform_data before usage

From: Sakari Ailus
Date: Tue Jul 26 2011 - 07:28:38 EST


Hi, Andy!

On Mon, Jul 25, 2011 at 05:16:41PM +0300, Andy Shevchenko wrote:
> The driver requires platform_data to be present. That's why we need to check
> and fail in case of the absence of necessary data.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx>
> Cc: Sakari Ailus <sakari.ailus@xxxxxx>
> ---
> drivers/media/video/adp1653.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)

Thanks for the patch. I'll add this to my next pull req.

>
> diff --git a/drivers/media/video/adp1653.c b/drivers/media/video/adp1653.c
> index be7befd..8ad89ff 100644
> --- a/drivers/media/video/adp1653.c
> +++ b/drivers/media/video/adp1653.c
> @@ -413,6 +413,10 @@ static int adp1653_probe(struct i2c_client *client,
> struct adp1653_flash *flash;
> int ret;
>
> + /* we couldn't work without platform data */
> + if (client->dev.platform_data == NULL)
> + return -ENODEV;
> +
> flash = kzalloc(sizeof(*flash), GFP_KERNEL);
> if (flash == NULL)
> return -ENOMEM;
> --
> 1.7.5.4
>

--
Sakari Ailus
sakari.ailus@xxxxxx
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