linux-kernel - [PATCH 3/4] GPU-DRM-QXL: Improve a size determination in qxl_driver

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Message-ID: <424ac093-cbe5-17f8-6e03-5e25d7e04269@users.sourceforge.net>
Date:   Thu, 22 Sep 2016 08:22:29 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     dri-devel@...ts.freedesktop.org,
        Bhaktipriya Shridhar <bhaktipriya96@...il.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Noralf Trønnes <noralf@...nnes.org>,
        Tejun Heo <tj@...nel.org>, Thierry Reding <treding@...dia.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH 3/4] GPU-DRM-QXL: Improve a size determination in
 qxl_driver_load()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Wed, 21 Sep 2016 22:48:34 +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 according to the Linux coding style convention.

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

diff --git a/drivers/gpu/drm/qxl/qxl_kms.c b/drivers/gpu/drm/qxl/qxl_kms.c
index 76780c2..f8f0261 100644
--- a/drivers/gpu/drm/qxl/qxl_kms.c
+++ b/drivers/gpu/drm/qxl/qxl_kms.c
@@ -306,7 +306,7 @@ int qxl_driver_load(struct drm_device *dev, unsigned long flags)
 	struct qxl_device *qdev;
 	int r;
 
-	qdev = kzalloc(sizeof(struct qxl_device), GFP_KERNEL);
+	qdev = kzalloc(sizeof(*qdev), GFP_KERNEL);
 	if (qdev == NULL)
 		return -ENOMEM;
 
-- 
2.10.0