Re: [PATCH 3/4] atm: idt77252: Remove redundant error check

From: Peter Senna Tschudin <peter.senna@gmail.com>
Date: Sat, 17 May 2014 20:22:59 +0200

Remove double checks, and move the call to printk to the
first check. Also adds KERN_WARNING to printk. The simplified version
of the coccinelle semantic patch that fixes this issue is as follows:

The appropriate thing to use is pr_warning() rather than add
KERN_WARNING.