X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fusb%2Fserial%2Fpl2303.c;fp=kernel%2Fdrivers%2Fusb%2Fserial%2Fpl2303.c;h=1db4b61bdf7bd710d7be6e3ff81b97102d76fbe9;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=ae682e4eeaef575a23c90a8dda15407e862d42e1;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/drivers/usb/serial/pl2303.c b/kernel/drivers/usb/serial/pl2303.c
index ae682e4ee..1db4b61bd 100644
--- a/kernel/drivers/usb/serial/pl2303.c
+++ b/kernel/drivers/usb/serial/pl2303.c
@@ -49,6 +49,7 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) },
 	{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) },
 	{ USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID) },
+	{ USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID2) },
 	{ USB_DEVICE(ATEN_VENDOR_ID2, ATEN_PRODUCT_ID) },
 	{ USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_PRODUCT_ID) },
 	{ USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_PRODUCT_ID_UCSGT) },
@@ -220,9 +221,17 @@ static int pl2303_probe(struct usb_serial *serial,
 static int pl2303_startup(struct usb_serial *serial)
 {
 	struct pl2303_serial_private *spriv;
+	unsigned char num_ports = serial->num_ports;
 	enum pl2303_type type = TYPE_01;
 	unsigned char *buf;
 
+	if (serial->num_bulk_in < num_ports ||
+			serial->num_bulk_out < num_ports ||
+			serial->num_interrupt_in < num_ports) {
+		dev_err(&serial->interface->dev, "missing endpoints\n");
+		return -ENODEV;
+	}
+
 	spriv = kzalloc(sizeof(*spriv), GFP_KERNEL);
 	if (!spriv)
 		return -ENOMEM;