linux-kernel - Re: [PATCH] block-skd: Deletion of an unnecessary check before the function call "kfree"

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Date:	Sun, 28 Jun 2015 13:34:15 +0200
From:	SF Markus Elfring <elfring@...rs.sourceforge.net>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
CC:	kernel-janitors@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH] block-skd: Deletion of an unnecessary check before the
 function call "kfree"

> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Mon, 1 Dec 2014 18:15:46 +0100
> 
> The kfree() 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>
> ---
>  drivers/block/skd_main.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c
> index 1e46eb2..c4b0259 100644
> --- a/drivers/block/skd_main.c
> +++ b/drivers/block/skd_main.c
> @@ -3998,8 +3998,7 @@ static int skd_acquire_msix(struct skd_device *skdev)
>  	return 0;
>  
>  msix_out:
> -	if (entries)
> -		kfree(entries);
> +	kfree(entries);
>  	skd_release_msix(skdev);
>  	return rc;
>  }
> 

Would anybody like to integrate this update suggestion
into another source code repository?

Regards,
Markus
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