ifnum = intf->desc.bInterfaceNumber;
dbg("This Interface = %d", ifnum);
- data = serial->private = kzalloc(sizeof(struct usb_wwan_intf_private),
+ data = kzalloc(sizeof(struct usb_wwan_intf_private),
GFP_KERNEL);
if (!data)
return -ENOMEM;
usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
dbg("QDL port found");
- if (serial->interface->num_altsetting == 1)
- return 0;
+ if (serial->interface->num_altsetting == 1) {
+ retval = 0; /* Success */
+ break;
+ }
retval = usb_set_interface(serial->dev, ifnum, 1);
if (retval < 0) {
retval = -ENODEV;
kfree(data);
}
- return retval;
}
break;
"Could not set interface, error %d\n",
retval);
retval = -ENODEV;
+ kfree(data);
}
} else if (ifnum == 2) {
dbg("Modem port found");
retval = -ENODEV;
kfree(data);
}
- return retval;
} else if (ifnum==3) {
/*
* NMEA (serial line 9600 8N1)
"Could not set interface, error %d\n",
retval);
retval = -ENODEV;
+ kfree(data);
}
}
break;
dev_err(&serial->dev->dev,
"unknown number of interfaces: %d\n", nintf);
kfree(data);
- return -ENODEV;
+ retval = -ENODEV;
}
+ /* Set serial->private if not returning -ENODEV */
+ if (retval != -ENODEV)
+ usb_set_serial_data(serial, data);
return retval;
}
+static void qc_release(struct usb_serial *serial)
+{
+ struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
+
+ dbg("%s", __func__);
+
+ /* Call usb_wwan release & free the private data allocated in qcprobe */
+ usb_wwan_release(serial);
+ usb_set_serial_data(serial, NULL);
+ kfree(priv);
+}
+
static struct usb_serial_driver qcdevice = {
.driver = {
.owner = THIS_MODULE,
.chars_in_buffer = usb_wwan_chars_in_buffer,
.attach = usb_wwan_startup,
.disconnect = usb_wwan_disconnect,
- .release = usb_wwan_release,
+ .release = qc_release,
#ifdef CONFIG_PM
.suspend = usb_wwan_suspend,
.resume = usb_wwan_resume,