linux-kernel - Re: [PATCH v3] fs, dlm: don't do pointless NULL check, use kzalloc and fix order of arguments

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Message-ID: <alpine.LNX.2.00.1107112217440.10944@swampdragon.chaosbits.net>
Date:	Mon, 11 Jul 2011 22:18:14 +0200 (CEST)
From:	Jesper Juhl <jj@...osbits.net>
To:	David Teigland <teigland@...hat.com>
cc:	linux-kernel@...r.kernel.org, cluster-devel@...hat.com,
	Christine Caulfield <ccaulfie@...hat.com>,
	"Dr. David Alan Gilbert" <linux@...blig.org>
Subject: Re: [PATCH v3] fs, dlm: don't do pointless NULL check, use kzalloc
 and fix order of arguments

On Mon, 11 Jul 2011, David Teigland wrote:

> On Sun, Jul 10, 2011 at 10:54:31PM +0200, Jesper Juhl wrote:
> > In fs/dlm/lock.c in the dlm_scan_waiters() function there are 3 small
> > issues:
> > 
> > 1) There's no need to test the return value of the allocation and do a
> > memset if is succeedes. Just use kzalloc() to obtain zeroed memory.
> > 
> > 2) Since kfree() handles NULL pointers gracefully, the test of
> > 'warned' against NULL before the kfree() after the loop is completely
> > pointless. Remove it.
> > 
> > 3) The arguments to kmalloc() (now kzalloc()) were swapped. Thanks to
> > Dr. David Alan Gilbert for pointing this out.
> > 
> > Signed-off-by: Jesper Juhl <jj@...osbits.net>
> 
> Thanks, I pushed this and a patch for the other swapped kmalloc to the
> next branch.
> Dave
> 
Ok, thanks, then I won't bother updating my patch with that other kmalloc.

-- 
Jesper Juhl <jj@...osbits.net>       http://www.chaosbits.net/
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