net: usb: usbnet: don't print error when allocating urb fails

kmalloc will print enough information in case of failure.
Signed-off-by: NWolfram Sang <wsa-dev@sang-engineering.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/usb/usbnet.c

@@ -2062,11 +2062,8 @@ int usbnet_write_cmd_async(struct usbnet *dev, u8 cmd, u8 reqtype,
 		   cmd, reqtype, value, index, size);
 
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
-	if (!urb) {
-		netdev_err(dev->net, "Error allocating URB in"
-			   " %s!\n", __func__);
+	if (!urb)
 		goto fail;
-	}
 
 	if (data) {
 		buf = kmemdup(data, size, GFP_ATOMIC);