[PATCH] ARM: imx: add missing kfree call in error paths

[Dan Carpenter]

On Thu, May 22, 2014 at 03:14:42PM +0200, Emil Goode wrote:
> We forgot to free pdev->dev.dma_mask as it is not freed
> by platform_device_put().
> 

Every function which calls imx31_alloc_mx3_camera() is buggy.  That
means that, at best, it is a 2 on Rusty's API rating.
http://sweng.the-davies.net/Home/rustys-api-design-manifesto

The correct fix is to introduce an imx31_free_mx3_camera() otherwise we
will just keep introducing these bugs.

regards,
dan carpenter