1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index d974d970e5fd..148af34837f0 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2663,7 +2663,7 @@ static struct hso_device *hso_create_bulk_serial_device(
         serial->parent = hso_dev;
         hso_dev->port_data.dev_serial = serial;
 
-        if (port & HSO_PORT_MODEM) {
+        if ((port & HSO_PORT_MASK) == HSO_PORT_MODEM) {
                 num_urbs = 2;
                 serial->tiocmget = kzalloc(sizeof(struct hso_tiocmget),
                                            GFP_KERNEL);