From: Jan Kara <jack@suse.cz>
To: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Jan Kara <jack@suse.cz>,
kernel-janitors@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Andreas Dilger <adilger.kernel@dilger.ca>,
linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/8] fs/ext3/inode.c: drop if around WARN_ON
Date: Wed, 7 Nov 2012 00:04:27 +0100 [thread overview]
Message-ID: <20121106230427.GB16836@quack.suse.cz> (raw)
In-Reply-To: <1351974625-10282-5-git-send-email-Julia.Lawall@lip6.fr>
On Sat 03-11-12 21:30:21, Julia Lawall wrote:
> From: Julia Lawall <Julia.Lawall@lip6.fr>
>
> Just use WARN_ON rather than an if containing only WARN_ON(1).
>
> A simplified version of the semantic patch that makes this transformation
> is as follows: (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @@
> expression e;
> @@
> - if (e) WARN_ON(1);
> + WARN_ON(e);
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Thanks. Added into my tree.
Honza
> ---
> fs/ext3/inode.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
> index 7e87e37..b176d42 100644
> --- a/fs/ext3/inode.c
> +++ b/fs/ext3/inode.c
> @@ -1071,8 +1071,7 @@ struct buffer_head *ext3_getblk(handle_t *handle, struct inode *inode,
> * mapped. 0 in case of a HOLE.
> */
> if (err > 0) {
> - if (err > 1)
> - WARN_ON(1);
> + WARN_ON(err > 1);
> err = 0;
> }
> *errp = err;
>
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR
prev parent reply other threads:[~2012-11-06 23:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1351974625-10282-1-git-send-email-Julia.Lawall@lip6.fr>
2012-11-03 20:30 ` [PATCH 4/8] fs/ext3/inode.c: drop if around WARN_ON Julia Lawall
2012-11-06 23:04 ` Jan Kara [this message]
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