linux-kernel - [PATCH net-next v1 1/7] net: usb: asix: ax88772_bind: use devm

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Message-Id: <20210604134244.2467-2-o.rempel@pengutronix.de>
Date:   Fri,  4 Jun 2021 15:42:38 +0200
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        netdev@...r.kernel.org
Subject: [PATCH net-next v1 1/7] net: usb: asix: ax88772_bind: use devm_kzalloc() instead of kzalloc()

Make resource management easier, use devm_kzalloc().

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 drivers/net/usb/asix_devices.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
index 19a8fafb8f04..5f767a33264e 100644
--- a/drivers/net/usb/asix_devices.c
+++ b/drivers/net/usb/asix_devices.c
@@ -746,11 +746,11 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
 		dev->rx_urb_size = 2048;
 	}
 
-	dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
-	if (!dev->driver_priv)
+	priv = devm_kzalloc(&dev->udev->dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
 		return -ENOMEM;
 
-	priv = dev->driver_priv;
+	dev->driver_priv = priv;
 
 	priv->presvd_phy_bmcr = 0;
 	priv->presvd_phy_advertise = 0;
@@ -768,7 +768,6 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
 static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
 {
 	asix_rx_fixup_common_free(dev->driver_priv);
-	kfree(dev->driver_priv);
 }
 
 static const struct ethtool_ops ax88178_ethtool_ops = {
-- 
2.29.2