linux-kernel - [PATCH] drivers: gpu: drm: gma500: Replaced calls kzalloc & memcpy with kmemdup

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Message-Id: <1363031174-22525-1-git-send-email-gheorghiuandru@gmail.com>
Date:	Mon, 11 Mar 2013 21:46:14 +0200
From:	Alexandru Gheorghiu <gheorghiuandru@...il.com>
To:	David Airlie <airlied@...ux.ie>
Cc:	Alan Cox <alan@...ux.intel.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	Alexandru Gheorghiu <gheorghiuandru@...il.com>
Subject: [PATCH] drivers: gpu: drm: gma500: Replaced calls kzalloc & memcpy with kmemdup

Replaced calls kzalloc followed by memcpy with call to kmemdup.
Patch found using coccinelle.

Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@...il.com>
---
 drivers/gpu/drm/gma500/intel_bios.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/gma500/intel_bios.c b/drivers/gpu/drm/gma500/intel_bios.c
index 403fffb..d349734 100644
--- a/drivers/gpu/drm/gma500/intel_bios.c
+++ b/drivers/gpu/drm/gma500/intel_bios.c
@@ -218,12 +218,11 @@ static void parse_backlight_data(struct drm_psb_private *dev_priv,
 	bl_start = find_section(bdb, BDB_LVDS_BACKLIGHT);
 	vbt_lvds_bl = (struct bdb_lvds_backlight *)(bl_start + 1) + p_type;
 
-	lvds_bl = kzalloc(sizeof(*vbt_lvds_bl), GFP_KERNEL);
+	lvds_bl = kmemdup(vbt_lvds_bl, sizeof(*vbt_lvds_bl), GFP_KERNEL);
 	if (!lvds_bl) {
 		dev_err(dev_priv->dev->dev, "out of memory for backlight data\n");
 		return;
 	}
-	memcpy(lvds_bl, vbt_lvds_bl, sizeof(*vbt_lvds_bl));
 	dev_priv->lvds_bl = lvds_bl;
 }
 
-- 
1.7.9.5

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