[PATCH v2] soc: ti: knav: Add a NULL pointer check for kdev in knav_pool_create

[Santosh Shilimkar]

On 7/30/2017 9:31 PM, Keerthy wrote:
> knav_pool_create is an exported function. In the event of a call
> before knav_queue_probe, we encounter a NULL pointer dereference
> in the following line. Hence return -EPROBE_DEFER to the caller till
> the kdev pointer is non-NULL.
> 
> Signed-off-by: Keerthy <j-keerthy at ti.com>
> ---
> 
> Changes in v2:
> 
>    * Fixed returning an int to returning pointer.

Thanks. Will add it to the queue.