linux-kernel - [PATCH 02/30] usb: phy: nop: use devm

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Date:	Mon, 28 Jan 2013 13:30:03 +0200
From:	Roger Quadros <rogerq@...com>
To:	<tony@...mide.com>
CC:	<linux@....linux.org.uk>, <sameo@...ux.intel.com>, <balbi@...com>,
	<stern@...land.harvard.edu>, <gregkh@...uxfoundation.org>,
	<eballetbo@...il.com>, <javier@...hile0.org>,
	<sshtylyov@...sta.com>, <linux-usb@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH 02/30] usb: phy: nop: use devm_kzalloc()

Use resource managed kzalloc.

Signed-off-by: Roger Quadros <rogerq@...com>
---
 drivers/usb/otg/nop-usb-xceiv.c |   16 ++++------------
 1 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/usb/otg/nop-usb-xceiv.c b/drivers/usb/otg/nop-usb-xceiv.c
index a3ce24b..7ffb0c8 100644
--- a/drivers/usb/otg/nop-usb-xceiv.c
+++ b/drivers/usb/otg/nop-usb-xceiv.c
@@ -100,15 +100,13 @@ static int nop_usb_xceiv_probe(struct platform_device *pdev)
 	enum usb_phy_type	type = USB_PHY_TYPE_USB2;
 	int err;
 
-	nop = kzalloc(sizeof *nop, GFP_KERNEL);
+	nop = devm_kzalloc(&pdev->dev, sizeof *nop, GFP_KERNEL);
 	if (!nop)
 		return -ENOMEM;
 
-	nop->phy.otg = kzalloc(sizeof *nop->phy.otg, GFP_KERNEL);
-	if (!nop->phy.otg) {
-		kfree(nop);
+	nop->phy.otg = devm_kzalloc(&pdev->dev, sizeof *nop->phy.otg, GFP_KERNEL);
+	if (!nop->phy.otg)
 		return -ENOMEM;
-	}
 
 	if (pdata)
 		type = pdata->type;
@@ -127,7 +125,7 @@ static int nop_usb_xceiv_probe(struct platform_device *pdev)
 	if (err) {
 		dev_err(&pdev->dev, "can't register transceiver, err: %d\n",
 			err);
-		goto exit;
+		return err;
 	}
 
 	platform_set_drvdata(pdev, nop);
@@ -135,10 +133,6 @@ static int nop_usb_xceiv_probe(struct platform_device *pdev)
 	ATOMIC_INIT_NOTIFIER_HEAD(&nop->phy.notifier);
 
 	return 0;
-exit:
-	kfree(nop->phy.otg);
-	kfree(nop);
-	return err;
 }
 
 static int nop_usb_xceiv_remove(struct platform_device *pdev)
@@ -148,8 +142,6 @@ static int nop_usb_xceiv_remove(struct platform_device *pdev)
 	usb_remove_phy(&nop->phy);
 
 	platform_set_drvdata(pdev, NULL);
-	kfree(nop->phy.otg);
-	kfree(nop);
 
 	return 0;
 }
-- 
1.7.4.1

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