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[media] adp1653: check platform_data before usage 

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@linux.intel.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Andy Shevchenko 2011-07-25 11:16:41 -03:00 committed by Mauro Carvalho Chehab
parent 680417bb31
commit 572064280e
1 changed files with 4 additions and 0 deletions
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4
drivers/media/video/adp1653.c
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@ -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;