linux-kernel - [PATCH/WIP/RFC 04/14] shmobile-iommu: Use devm

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Date:	Sun, 16 Dec 2012 18:25:50 +0100
From:	Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
To:	Hideki EIRAKU <hdk@...l.co.jp>
Cc:	Paul Mundt <lethal@...ux-sh.org>,
	Magnus Damm <magnus.damm@...il.com>,
	Simon Horman <horms@...ge.net.au>, linux-sh@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Katsuya MATSUBARA <matsu@...l.co.jp>,
	Damian Hobson-Garcia <dhobsong@...l.co.jp>
Subject: [PATCH/WIP/RFC 04/14] shmobile-iommu: Use devm_* managed functions

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
---
 drivers/iommu/shmobile-ipmmu.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/shmobile-ipmmu.c b/drivers/iommu/shmobile-ipmmu.c
index 2339f91..d6df0b4 100644
--- a/drivers/iommu/shmobile-ipmmu.c
+++ b/drivers/iommu/shmobile-ipmmu.c
@@ -116,16 +116,16 @@ static int ipmmu_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev, "cannot get platform resources\n");
 		return -ENOENT;
 	}
-	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv) {
 		dev_err(&pdev->dev, "cannot allocate device data\n");
 		return -ENOMEM;
 	}
 	mutex_init(&priv->flush_lock);
-	priv->ipmmu_base = ioremap_nocache(res->start, resource_size(res));
+	priv->ipmmu_base = devm_ioremap_nocache(&pdev->dev, res->start,
+						resource_size(res));
 	if (!priv->ipmmu_base) {
 		dev_err(&pdev->dev, "ioremap_nocache failed\n");
-		kfree(priv);
 		return -ENOMEM;
 	}
 	platform_set_drvdata(pdev, priv);
-- 
1.7.8.6

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