linux-kernel - Re: [PATCH] dlm: fix uninitialized variable for search_rsb

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Date:	Mon, 30 Jun 2008 12:01:58 -0500
From:	David Teigland <teigland@...hat.com>
To:	Benny Halevy <bhalevy@...asas.com>
Cc:	Christine Caulfield <ccaulfie@...hat.com>,
	cluster-devel@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dlm: fix uninitialized variable for search_rsb_list callers

On Mon, Jun 30, 2008 at 07:59:14PM +0300, Benny Halevy wrote:
> gcc 4.3.0 correctly emits the following warning.
> search_rsb_list does not *r_ret if no dlm_rsb is found
> and _search_rsb may pass the uninitialized value upstream
> on the error path when both calls to search_rsb_list
> return non-zero error.
> 
> The fix sets *r_ret to NULL on search_rsb_list's not-found path.

Added to dlm.git.
Thanks, Dave

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