linux-kernel - Re: [osd-dev] [PATCH 1/1] exofs: Deletion of an unnecessary check before the function call "ore_put_io

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Date:	Tue, 18 Nov 2014 11:13:31 +0200
From:	Boaz Harrosh <openosd@...il.com>
To:	SF Markus Elfring <elfring@...rs.sourceforge.net>,
	Benny Halevy <bhalevy@...marydata.com>,
	Boaz Harrosh <bharrosh@...asas.com>, osd-dev@...n-osd.org
CC:	kernel-janitors@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Coccinelle <cocci@...teme.lip6.fr>
Subject: Re: [osd-dev] [PATCH 1/1] exofs: Deletion of an unnecessary check
 before the function call "ore_put_io_state"

On 11/18/2014 11:10 AM, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Tue, 18 Nov 2014 10:05:19 +0100
> 
> The ore_put_io_state() function tests whether its argument is NULL and then
> returns immediately. Thus the test around the call is not needed.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  fs/exofs/ore_raid.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/fs/exofs/ore_raid.c b/fs/exofs/ore_raid.c
> index 84529b8..5dc7c4c 100644
> --- a/fs/exofs/ore_raid.c
> +++ b/fs/exofs/ore_raid.c
> @@ -716,6 +716,5 @@ void _ore_free_raid_stuff(struct ore_io_state *ios)
>  		if (ios->extra_part_alloc)
>  			kfree(ios->per_dev[0].sglist);
>  	}
> -	if (ios->ios_read_4_write)
> -		ore_put_io_state(ios->ios_read_4_write);
> +	ore_put_io_state(ios->ios_read_4_write);
>  }
> 

Thanks will submit for next Kernel
Boaz
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