diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 3ce45c9e9d20dd934142cd5296bdfb70edfae92a..e6a7c86b70f250ee4077948b2bdbcb2ec3d868d4 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -1016,6 +1016,7 @@ static int usbtmc_ioctl_clear(struct usbtmc_device_data *data)
 		do {
 			dev_dbg(dev, "Reading from bulk in EP\n");
 
+			actual = 0;
 			rv = usb_bulk_msg(data->usb_dev,
 					  usb_rcvbulkpipe(data->usb_dev,
 							  data->bulk_in),