[PATCH] serial: samsung: protect NULL dereference of clock name

[Shubhrajyoti Datta]

Hi Kim,
On Wed, May 30, 2012 at 1:59 PM, Kyoungil Kim <ki0351.kim at samsung.com> wrote:
> From: KeyYoung Park <keyyoung.park at samsung.com>
>
> When priting the serial clock source, if clock source name is null,
> kernel reference NULL point.
>
Could you help me understand why is that NULL ? Or the crash that you saw.