linux-kernel - Re: [PATCH] mm: Make it easier to catch NULL cache names

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Message-ID: <alpine.DEB.2.00.0907272200520.22207@chino.kir.corp.google.com>
Date:	Mon, 27 Jul 2009 22:01:33 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>
Subject: Re: [PATCH] mm: Make it easier to catch NULL cache names

On Tue, 28 Jul 2009, Benjamin Herrenschmidt wrote:

> > Please don't do BUG_ON() when there are alternatives.
> > 
> > In this case, something like
> > 
> > 	if (WARN_ON(!name))
> > 		return NULL;
> > 
> > would probably have worked too.
> 
> Fair enough..  I'll send a new patch.
> 

Actually needs goto err, not return NULL, to appropriately panic when 
SLAB_PANIC is set.
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