usb:option: prevent the module interface as usb port

The EC20 has more usb interface, so prevent them to as usb device.
2019-12-17 11:42:53 +08:00
parent f6a175c3e8
commit 20bf1a18b5
1 changed files with 1 additions and 1 deletions
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@ -2114,7 +2114,7 @@ static int option_probe(struct usb_serial *serial,

 	if (dev_desc->idVendor == cpu_to_le16(0x2c7c) &&
 	    dev_desc->idProduct == cpu_to_le16(0x0125) &&
-	    iface_desc->bInterfaceClass == 0x04)
+	    serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4)
 		return -ENODEV;

 	/* Store the blacklist info so we can use it during attach. */