linux-kernel - Re: [PATCH][RESEND] Fix a potential NULL pointer deref in the aic7xxx, ahc_print

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Date:	Sat, 04 Aug 2007 14:43:47 -0500
From:	James Bottomley <James.Bottomley@...elEye.com>
To:	Jesper Juhl <jesper.juhl@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	James Bottomley <jejb@...nel.org>, linux-scsi@...r.kernel.org,
	"Justin T. Gibbs" <gibbs@...iguy.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH][RESEND] Fix a potential NULL pointer deref in the
	aic7xxx, ahc_print_register() function

On Sat, 2007-08-04 at 20:30 +0200, Jesper Juhl wrote:
> (resend of patch previously submitted on 28-Jul-2007 23:06)
> 
> 
> Ehlo,
> 
> The Coverity checker noticed that we have a potential NULL pointer 
> deref in drivers/scsi/aic7xxx/aic7xxx_core.c::ahc_print_register().
> This patch handles it by adding the same test against NULL that is 
> used elsewhere in the same function.

It's on my list of things to look at ... but not very high.  I suspect
it actually isn't triggerable, but if you can tell me how, it will save
me from looking.

James


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