linux-ext4 - Re: [patch] ext4 crypto: testing the wrong variable

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Message-ID: <alpine.DEB.2.10.1504081150401.9503@hadrien>
Date:	Wed, 8 Apr 2015 11:51:42 +0200 (CEST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Dan Carpenter <dan.carpenter@...cle.com>
cc:	Theodore Ts'o <tytso@....edu>,
	Michael Halcrow <mhalcrow@...gle.com>,
	Andreas Dilger <adilger.kernel@...ger.ca>,
	linux-ext4@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [patch] ext4 crypto: testing the wrong variable

>  void ext4_fname_crypto_free_buffer(void **buf)
>  {
> -	if (*buf == NULL || IS_ERR(buf))
> +	if (*buf == NULL || IS_ERR(*buf))

Why not use IS_ERR_OR_NULL?

julia

>  		return;
>  	kfree(*buf);
>  	*buf = NULL;
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