[U-Boot] [PATCH] sf: Fix NULL pointer exception for flashes without lock methods

[Fabio Estevam]

On Fri, Nov 13, 2015 at 8:46 AM, Bin Meng <bmeng.cn at gmail.com> wrote:
> commit c3c016c "sf: Add SPI NOR protection mechanism" introduced
> flash_lock()/flash_unlock()/flash_is_locked() methods for SPI flash,
> but not every flash driver supplies these. We should test these
> methods against NULL before actually calling them.
>
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>

Thanks for the fix.

Reviewed-by: Fabio Estevam <fabio.estevam at freescale.com>