netdev - [PATCH v1 09/11] usbnet: sierra_net: apply introduced usb command APIs

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Date:	Thu, 11 Oct 2012 20:39:27 +0800
From:	Ming Lei <ming.lei@...onical.com>
To:	"David S. Miller" <davem@...emloft.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Oliver Neukum <oneukum@...e.de>, netdev@...r.kernel.org,
	linux-usb@...r.kernel.org, Ming Lei <ming.lei@...onical.com>
Subject: [PATCH v1 09/11] usbnet: sierra_net: apply introduced usb command APIs


Signed-off-by: Ming Lei <ming.lei@...onical.com>
---
 drivers/net/usb/sierra_net.c |   45 ++++++++++++++++--------------------------
 1 file changed, 17 insertions(+), 28 deletions(-)

diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
index c27d277..eb5c7a8 100644
--- a/drivers/net/usb/sierra_net.c
+++ b/drivers/net/usb/sierra_net.c
@@ -311,10 +311,9 @@ static int sierra_net_send_cmd(struct usbnet *dev,
 	struct sierra_net_data *priv = sierra_net_get_private(dev);
 	int  status;
 
-	status = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
-			USB_CDC_SEND_ENCAPSULATED_COMMAND,
-			USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE,	0,
-			priv->ifnum, cmd, cmdlen, USB_CTRL_SET_TIMEOUT);
+	status = usbnet_write_cmd(dev, USB_CDC_SEND_ENCAPSULATED_COMMAND,
+				  USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE,
+				  0, priv->ifnum, cmd, cmdlen);
 
 	if (status != cmdlen && status != -ENODEV)
 		netdev_err(dev->net, "Submit %s failed %d\n", cmd_name, status);
@@ -632,32 +631,22 @@ static int sierra_net_change_mtu(struct net_device *net, int new_mtu)
 static int sierra_net_get_fw_attr(struct usbnet *dev, u16 *datap)
 {
 	int result = 0;
-	u16 *attrdata;
-
-	attrdata = kmalloc(sizeof(*attrdata), GFP_KERNEL);
-	if (!attrdata)
-		return -ENOMEM;
-
-	result = usb_control_msg(
-			dev->udev,
-			usb_rcvctrlpipe(dev->udev, 0),
-			/* _u8 vendor specific request */
-			SWI_USB_REQUEST_GET_FW_ATTR,
-			USB_DIR_IN | USB_TYPE_VENDOR,	/* __u8 request type */
-			0x0000,		/* __u16 value not used */
-			0x0000,		/* __u16 index  not used */
-			attrdata,	/* char *data */
-			sizeof(*attrdata),		/* __u16 size */
-			USB_CTRL_SET_TIMEOUT);	/* int timeout */
-
-	if (result < 0) {
-		kfree(attrdata);
+	u16 attrdata;
+
+	result = usbnet_read_cmd(dev,
+				/* _u8 vendor specific request */
+				SWI_USB_REQUEST_GET_FW_ATTR,
+				USB_DIR_IN | USB_TYPE_VENDOR,	/* __u8 request type */
+				0x0000,		/* __u16 value not used */
+				0x0000,		/* __u16 index  not used */
+				&attrdata,	/* char *data */
+				sizeof(attrdata)	/* __u16 size */
+				);
+
+	if (result < 0)
 		return -EIO;
-	}
-
-	*datap = le16_to_cpu(*attrdata);
 
-	kfree(attrdata);
+	*datap = le16_to_cpu(attrdata);
 	return result;
 }
 
-- 
1.7.9.5

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