]> asedeno.scripts.mit.edu Git - linux.git/blobdiff - drivers/net/usb/rtl8150.c
Merge branches 'pm-core', 'pm-qos', 'pm-domains' and 'pm-opp'
[linux.git] / drivers / net / usb / rtl8150.c
index 95b7bd0d7abcac85482da6067626e034a57b56b3..c81c79110cefca9443d614679d8e7cdd4b3295c3 100644 (file)
@@ -155,16 +155,36 @@ static const char driver_name [] = "rtl8150";
 */
 static int get_registers(rtl8150_t * dev, u16 indx, u16 size, void *data)
 {
-       return usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
-                              RTL8150_REQ_GET_REGS, RTL8150_REQT_READ,
-                              indx, 0, data, size, 500);
+       void *buf;
+       int ret;
+
+       buf = kmalloc(size, GFP_NOIO);
+       if (!buf)
+               return -ENOMEM;
+
+       ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
+                             RTL8150_REQ_GET_REGS, RTL8150_REQT_READ,
+                             indx, 0, buf, size, 500);
+       if (ret > 0 && ret <= size)
+               memcpy(data, buf, ret);
+       kfree(buf);
+       return ret;
 }
 
-static int set_registers(rtl8150_t * dev, u16 indx, u16 size, void *data)
+static int set_registers(rtl8150_t * dev, u16 indx, u16 size, const void *data)
 {
-       return usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
-                              RTL8150_REQ_SET_REGS, RTL8150_REQT_WRITE,
-                              indx, 0, data, size, 500);
+       void *buf;
+       int ret;
+
+       buf = kmemdup(data, size, GFP_NOIO);
+       if (!buf)
+               return -ENOMEM;
+
+       ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
+                             RTL8150_REQ_SET_REGS, RTL8150_REQT_WRITE,
+                             indx, 0, buf, size, 500);
+       kfree(buf);
+       return ret;
 }
 
 static void async_set_reg_cb(struct urb *urb)