linux-kernel - Re: [PATCH 1/2] 390/qeth: Delete an unnecessary variable initialisation in qeth_core_set

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Message-ID: <20160104112948.GD4179@osiris>
Date:	Mon, 4 Jan 2016 12:29:48 +0100
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:	linux-s390@...r.kernel.org,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Ursula Braun <ubraun@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH 1/2] 390/qeth: Delete an unnecessary variable
 initialisation in qeth_core_set_online()

On Sun, Jan 03, 2016 at 11:02:00AM +0100, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Sun, 3 Jan 2016 10:48:05 +0100
> 
> Omit explicit initialisation at the beginning for one local variable
> that is redefined before its first use.
> 
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  drivers/s390/net/qeth_core_main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
> index 7871537..54fde2e 100644
> --- a/drivers/s390/net/qeth_core_main.c
> +++ b/drivers/s390/net/qeth_core_main.c
> @@ -5637,7 +5637,7 @@ static void qeth_core_remove_device(struct ccwgroup_device *gdev)
>  static int qeth_core_set_online(struct ccwgroup_device *gdev)
>  {
>  	struct qeth_card *card = dev_get_drvdata(&gdev->dev);
> -	int rc = 0;
> +	int rc;
>  	int def_discipline;

You can generate hundreds of patches like this one. There are even plenty
more opportunities within this same file. I don't think we need this.

If at all then change all occurrences within a file at once, but that is
Ursula's call.

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