[PATCH v2 2/4] mtd: nand: convert printk() to pr_*()

[Brian Norris]

On Wed, Jul 6, 2011 at 12:47 PM, Dmitry Eremin-Solenikov
<dbaryshkov at gmail.com> wrote:
> And what if mtd->dev.parent is NULL?

Then we're out of luck and simply return NULL.

NULL shouldn't cause an error for debug messages, and if mtd_to_dev is
used for something more serious, then you have a problem you must fix
if mtd->dev.parent is NULL.