linux-kernel - Re: [PATCH] orangefs: remove redundant assignment to variable buffer

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Date:   Tue, 21 May 2019 18:03:11 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Mike Marshall <hubcap@...ibond.com>
Cc:     Colin King <colin.king@...onical.com>,
        Martin Brandenburg <martin@...ibond.com>,
        devel@...ts.orangefs.org, kernel-janitors@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] orangefs: remove redundant assignment to variable
 buffer_index

On Thu, May 16, 2019 at 12:06:31PM -0400, Mike Marshall wrote:
> Hi Colin...
> 
> Thanks for the patch. Before I initialized buffer_index, Dan Williams sent
> in a warning that a particular error path could try to use ibuffer_index
> uninitialized. I could induce the problem he described with one
> of the xfstests resulting in a crashed kernel. I will try to refactor
> the code to fix the problem some other way than initializing
> buffer_index in the declaration.
> 

The only explanation I can think of is that you guys are discussing
different code.  :P

regards,
dan carpenter