Re: [PATCH v2 15/16] dmaengine: bcm-sba-raid: Add debugfs support

From: Greg KH
Date: Thu Sep 07 2017 - 15:38:35 EST


On Fri, Aug 18, 2017 at 10:56:13AM +0530, Vinod Koul wrote:
> On Fri, Aug 18, 2017 at 10:33:54AM +0530, Anup Patel wrote:
> > On Thu, Aug 17, 2017 at 1:31 PM, Vinod Koul <vinod.koul@xxxxxxxxx> wrote:
> > > On Tue, Aug 01, 2017 at 04:07:59PM +0530, Anup Patel wrote:
> > > why fail, debugfs should be an optional thingy, why would you want to fail here?
> >
> > Yes, we are handling the case when debugfs is not available
> > and skipping debugfs gracefully.
> >
> > If debugfs is available then failure of debugfs_create_dir()
> > should be reported.
>
> reported yes, bailing out on that err no..

Reported, no. You should _never_ care about the return value of a
debugfs call. Never check it, just move on ad keep on going. It
doesn't matter.

thanks,

greg k-h