linux-kernel - Re: [BUGFIX][PATCH] fix NULL pointer in ia64/irq

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Date:	Wed, 7 Mar 2007 16:32:48 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, tony.luck@...el.com,
	rientjes@...gle.com, kaneshige.kenji@...t.fujitsu.com
Subject: Re: [BUGFIX][PATCH] fix NULL pointer in ia64/irq_chip-mask/unmask
 function

On Tue, 6 Mar 2007 22:57:10 -0800
Andrew Morton <akpm@...ux-foundation.org> wrote:

> On Wed, 7 Mar 2007 15:23:17 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote:
> 
> > This patch fixes boot failure because irq_desc->mask() is NULL.
> > 
> > - Added mask/unmask functions to ia64's irq desc function table.
> >   But I'm not sure this fix is correct or not. please review.
> > 
> > - rename hw_interrupt_type to irq_chip. hw_interrupt_type is old name.
> 
> Thanks.
> 
> This bug is present in mainline too, isn't it?
> 
Yes, I confirmed rc3 has this bug.

-Kame

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