lkml.org 
[lkml]   [2012]   [Jun]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: Q: return of pinctrl_register and handing at drivers that use this function
From
On Mon, Jun 18, 2012 at 1:47 PM, devendra.aaru <devendra.aaru@gmail.com> wrote:

> since the pinctrl_register returns a pointer of structure type "struct
> pinctrl_dev" or NULL if it was failed to register the pinctrl driver,
> so IS_ERR checking is not required?

Yes. (Unless I did something wrong.)

> My understanding about IS_ERR is that its used when the pointer
> addresses are kind of error codes rather actual addresses,
> but are a kind of return codes of functions returning integer types.

You are absolutely right.

Yours,
Linus Walleij


\
 
 \ /
  Last update: 2012-06-18 14:41    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site