linux-kernel - Re: [PATCH 10/16] Staging: lustre: obdclass: genops.c: Remove explicit NULL comparison

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Date:	Thu, 10 Sep 2015 19:51:07 -0700
From:	Joe Perches <joe@...ches.com>
To:	Shraddha Barke <shraddha.6596@...il.com>
Cc:	Oleg Drokin <oleg.drokin@...el.com>,
	Andreas Dilger <andreas.dilger@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Julia Lawall <Julia.Lawall@...6.fr>, HPDD-discuss@...ts.01.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 10/16] Staging: lustre: obdclass: genops.c: Remove
 explicit NULL comparison

On Fri, 2015-09-11 at 07:34 +0530, Shraddha Barke wrote:
> Remove explicit NULL comparison and write it in its simpler form.
> Replacement done with coccinelle:

Hi Shraddha.

If you are going to do these conversions, please
also do the equivalent != NULL conversions:

- e != NULL
+ e

> diff --git a/drivers/staging/lustre/lustre/obdclass/genops.c b/drivers/staging/lustre/lustre/obdclass/genops.c
[]
> @@ -178,9 +178,9 @@ int class_register_type(struct obd_ops *dt_ops, struct md_ops *md_ops,
> -	if (type->typ_dt_ops == NULL ||
> -	    type->typ_md_ops == NULL ||
> -	    type->typ_name == NULL)
> +	if (!type->typ_dt_ops ||
> +	    !type->typ_md_ops ||
> +	    !type->typ_name)


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