linux-kernel - [PATCH 24/54] md/raid1: Improve another size determination in setup

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Date:   Thu, 6 Oct 2016 11:22:44 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-raid@...r.kernel.org, Christoph Hellwig <hch@....de>,
        Guoqing Jiang <gqjiang@...e.com>, Jens Axboe <axboe@...com>,
        Mike Christie <mchristi@...hat.com>,
        Neil Brown <neilb@...e.com>, Shaohua Li <shli@...nel.org>,
        Tomasz Majchrzak <tomasz.majchrzak@...el.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH 24/54] md/raid1: Improve another size determination in
 setup_conf()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Tue, 4 Oct 2016 21:46:18 +0200

Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/md/raid1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index ec6aafb..5e1a427 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2776,7 +2776,7 @@ static struct r1conf *setup_conf(struct mddev *mddev)
 	struct md_rdev *rdev;
 	int err;
 
-	conf = kzalloc(sizeof(struct r1conf), GFP_KERNEL);
+	conf = kzalloc(sizeof(*conf), GFP_KERNEL);
 	if (!conf)
 		return ERR_PTR(-ENOMEM);
 
-- 
2.10.1