Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	drivers/infiniband/core/iwcm.c
	drivers/net/chelsio/cxgb2.c
	drivers/net/wireless/bcm43xx/bcm43xx_main.c
	drivers/net/wireless/prism54/islpci_eth.c
	drivers/usb/core/hub.h
	drivers/usb/input/hid-core.c
	net/core/netpoll.c

Fix up merge failures with Linus's head and fix new compilation failures.

Signed-Off-By: David Howells <dhowells@redhat.com>

23 files changed, 118 insertions, 65 deletions

diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index 2a8dd4cc943..2f4d303ee36 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -554,6 +554,17 @@ config USB_SERIAL_OMNINET
 	  To compile this driver as a module, choose M here: the
 	  module will be called omninet.
 
+config USB_SERIAL_DEBUG
+	tristate "USB Debugging Device"
+	depends on USB_SERIAL
+	help
+	  Say Y here if you have a USB debugging device used to recieve
+	  debugging data from another machine.  The most common of these
+	  devices is the NetChip TurboCONNECT device.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called usb-debug.
+
 config USB_EZUSB
 	bool
 	depends on USB_SERIAL_KEYSPAN_PDA || USB_SERIAL_XIRCOM || USB_SERIAL_KEYSPAN || USB_SERIAL_WHITEHEAT
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index a5047dc599b..61166ad450e 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_USB_SERIAL_BELKIN)			+= belkin_sa.o
 obj-$(CONFIG_USB_SERIAL_CP2101)			+= cp2101.o
 obj-$(CONFIG_USB_SERIAL_CYBERJACK)		+= cyberjack.o
 obj-$(CONFIG_USB_SERIAL_CYPRESS_M8)		+= cypress_m8.o
+obj-$(CONFIG_USB_SERIAL_DEBUG)			+= usb_debug.o
 obj-$(CONFIG_USB_SERIAL_DIGI_ACCELEPORT)	+= digi_acceleport.o
 obj-$(CONFIG_USB_SERIAL_EDGEPORT)		+= io_edgeport.o
 obj-$(CONFIG_USB_SERIAL_EDGEPORT_TI)		+= io_ti.o
diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c
index 2a4ac9bd6a3..86bcf63b6ba 100644
--- a/drivers/usb/serial/aircable.c
+++ b/drivers/usb/serial/aircable.c
@@ -272,8 +272,11 @@ static void aircable_read(struct work_struct *work)
 	 */
 	tty = port->tty;
 
-	if (!tty)
+	if (!tty) {
 		schedule_work(&priv->rx_work);
+		err("%s - No tty available", __FUNCTION__);
+		return ;
+	}
 
 	count = min(64, serial_buf_data_avail(priv->rx_buf));
 
@@ -307,9 +310,7 @@ static int aircable_probe(struct usb_serial *serial,
 
 	for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) {
 		endpoint = &iface_desc->endpoint[i].desc;
-		if (((endpoint->bEndpointAddress & 0x80) == 0x00) &&
-			((endpoint->bmAttributes & 3) == 0x02)) {
-			/* we found our bulk out endpoint */
+		if (usb_endpoint_is_bulk_out(endpoint)) {
 			dbg("found bulk out on endpoint %d", i);
 			++num_bulk_out;
 		}
diff --git a/drivers/usb/serial/airprime.c b/drivers/usb/serial/airprime.c
index 7f5d546da39..96c73726d74 100644
--- a/drivers/usb/serial/airprime.c
+++ b/drivers/usb/serial/airprime.c
@@ -19,6 +19,7 @@
 static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(0x0c88, 0x17da) }, /* Kyocera Wireless KPC650/Passport */
 	{ USB_DEVICE(0x1410, 0x1110) }, /* Novatel Wireless Merlin CDMA */
+	{ USB_DEVICE(0x1410, 0x1430) },	/* Novatel Merlin XU870 HSDPA/3G */
 	{ USB_DEVICE(0x1410, 0x1100) }, /* ExpressCard34 Qualcomm 3G CDMA */
 	{ },
 };
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index ca52f12f0e2..863966c1c5a 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -85,10 +85,9 @@ static int ark3116_attach(struct usb_serial *serial)
 	int i;
 
 	for (i = 0; i < serial->num_ports; ++i) {
-		priv = kmalloc(sizeof (struct ark3116_private), GFP_KERNEL);
+		priv = kzalloc(sizeof(struct ark3116_private), GFP_KERNEL);
 		if (!priv)
 			goto cleanup;
-		memset(priv, 0x00, sizeof (struct ark3116_private));
 		spin_lock_init(&priv->lock);
 
 		usb_set_serial_port_data(serial->port[i], priv);
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index 3a9073dbfe6..7167728d764 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -166,19 +166,17 @@ static int usb_console_setup(struct console *co, char *options)
 	if (serial->type->set_termios) {
 		/* build up a fake tty structure so that the open call has something
 		 * to look at to get the cflag value */
-		tty = kmalloc (sizeof (*tty), GFP_KERNEL);
+		tty = kzalloc(sizeof(*tty), GFP_KERNEL);
 		if (!tty) {
 			err ("no more memory");
 			return -ENOMEM;
 		}
-		termios = kmalloc (sizeof (*termios), GFP_KERNEL);
+		termios = kzalloc(sizeof(*termios), GFP_KERNEL);
 		if (!termios) {
 			err ("no more memory");
 			kfree (tty);
 			return -ENOMEM;
 		}
-		memset (tty, 0x00, sizeof(*tty));
-		memset (termios, 0x00, sizeof(*termios));
 		termios->c_cflag = cflag;
 		tty->termios = termios;
 		port->tty = tty;
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index f2e89a08365..093f303b318 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -1684,15 +1684,14 @@ static int __init cypress_init(void)
 
 	info(DRIVER_DESC " " DRIVER_VERSION);
 	return 0;
+
 failed_usb_register:
-	usb_deregister(&cypress_driver);
-failed_ca42v2_register:
 	usb_serial_deregister(&cypress_ca42v2_device);
-failed_hidcom_register:
+failed_ca42v2_register:
 	usb_serial_deregister(&cypress_hidcom_device);
-failed_em_register:
+failed_hidcom_register:
 	usb_serial_deregister(&cypress_earthmate_device);
-
+failed_em_register:
 	return retval;
 }
 
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index fd159b040bf..83d0e21145b 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -157,7 +157,7 @@
 *       to TASK_RUNNING will be lost and write_chan's subsequent call to
 *       schedule() will never return (unless it catches a signal).
 *       This race condition occurs because write_bulk_callback() (and thus
-*       the wakeup) are called asynchonously from an interrupt, rather than
+*       the wakeup) are called asynchronously from an interrupt, rather than
 *       from the scheduler.  We can avoid the race by calling the wakeup
 *       from the scheduler queue and that's our fix:  Now, at the end of
 *       write_bulk_callback() we queue up a wakeup call on the scheduler
diff --git a/drivers/usb/serial/ezusb.c b/drivers/usb/serial/ezusb.c
index 5169c2d154a..97ee718b1da 100644
--- a/drivers/usb/serial/ezusb.c
+++ b/drivers/usb/serial/ezusb.c
@@ -31,12 +31,11 @@ int ezusb_writememory (struct usb_serial *serial, int address, unsigned char *da
 		return -ENODEV;
 	}
 
-	transfer_buffer =  kmalloc (length, GFP_KERNEL);
+	transfer_buffer = kmemdup(data, length, GFP_KERNEL);
 	if (!transfer_buffer) {
 		dev_err(&serial->dev->dev, "%s - kmalloc(%d) failed.\n", __FUNCTION__, length);
 		return -ENOMEM;
 	}
-	memcpy (transfer_buffer, data, length);
 	result = usb_control_msg (serial->dev, usb_sndctrlpipe(serial->dev, 0), bRequest, 0x40, address, 0, transfer_buffer, length, 3000);
 	kfree (transfer_buffer);
 	return result;
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 88ed5c1d236..72e4d48f51e 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1390,8 +1390,7 @@ static void ftdi_close (struct usb_serial_port *port, struct file *filp)
 	flush_scheduled_work();
 
 	/* shutdown our bulk read */
-	if (port->read_urb)
-		usb_kill_urb(port->read_urb);
+	usb_kill_urb(port->read_urb);
 } /* ftdi_close */
 
 
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index 4543152a996..6530d391ebe 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -1523,12 +1523,11 @@ static int garmin_attach (struct usb_serial *serial)
 
 	dbg("%s", __FUNCTION__);
 
-	garmin_data_p = kmalloc (sizeof(struct garmin_data), GFP_KERNEL);
+	garmin_data_p = kzalloc(sizeof(struct garmin_data), GFP_KERNEL);
 	if (garmin_data_p == NULL) {
 		dev_err(&port->dev, "%s - Out of memory\n", __FUNCTION__);
 		return -ENOMEM;
 	}
-	memset (garmin_data_p, 0, sizeof(struct garmin_data));
 	init_timer(&garmin_data_p->timer);
 	spin_lock_init(&garmin_data_p->lock);
 	INIT_LIST_HEAD(&garmin_data_p->pktlist);
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 91bd3014ef1..d06547a13f2 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -1038,9 +1038,7 @@ static void edge_close (struct usb_serial_port *port, struct file * filp)
 	edge_port->open = FALSE;
 	edge_port->openPending = FALSE;
 
-	if (edge_port->write_urb) {
-		usb_kill_urb(edge_port->write_urb);
-	}
+	usb_kill_urb(edge_port->write_urb);
 
 	if (edge_port->write_urb) {
 		/* if this urb had a transfer buffer already (old transfer) free it */
diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index 2a4bb66691a..d3b9a351cef 100644
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -206,10 +206,9 @@ static int ipw_open(struct usb_serial_port *port, struct file *filp)
 
 	dbg("%s", __FUNCTION__);
 
-	buf_flow_init = kmalloc(16, GFP_KERNEL);
+	buf_flow_init = kmemdup(buf_flow_static, 16, GFP_KERNEL);
 	if (!buf_flow_init)
 		return -ENOMEM;
-	memcpy(buf_flow_init, buf_flow_static, 16);
 
 	if (port->tty)
 		port->tty->low_latency = 1;
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 53be824eb1b..7639652cec4 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -2306,22 +2306,16 @@ static void keyspan_shutdown (struct usb_serial *serial)
 	}
 
 	/* Now free them */
-	if (s_priv->instat_urb)
-		usb_free_urb(s_priv->instat_urb);
-	if (s_priv->glocont_urb)
-		usb_free_urb(s_priv->glocont_urb);
+	usb_free_urb(s_priv->instat_urb);
+	usb_free_urb(s_priv->glocont_urb);
 	for (i = 0; i < serial->num_ports; ++i) {
 		port = serial->port[i];
 		p_priv = usb_get_serial_port_data(port);
-		if (p_priv->inack_urb)
-			usb_free_urb(p_priv->inack_urb);
-		if (p_priv->outcont_urb)
-			usb_free_urb(p_priv->outcont_urb);
+		usb_free_urb(p_priv->inack_urb);
+		usb_free_urb(p_priv->outcont_urb);
 		for (j = 0; j < 2; j++) {
-			if (p_priv->in_urbs[j])
-				usb_free_urb(p_priv->in_urbs[j]);
-			if (p_priv->out_urbs[j])
-				usb_free_urb(p_priv->out_urbs[j]);
+			usb_free_urb(p_priv->in_urbs[j]);
+			usb_free_urb(p_priv->out_urbs[j]);
 		}
 	}
 
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index ff03331e0bc..237289920f0 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -185,13 +185,11 @@ static int kobil_startup (struct usb_serial *serial)
   
  	for (i = 0; i < altsetting->desc.bNumEndpoints; i++) {
 		endpoint = &altsetting->endpoint[i];
-		if (((endpoint->desc.bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) && 
- 		    ((endpoint->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) {
+		if (usb_endpoint_is_int_out(&endpoint->desc)) {
 		 	dbg("%s Found interrupt out endpoint. Address: %d", __FUNCTION__, endpoint->desc.bEndpointAddress);
 		 	priv->write_int_endpoint_address = endpoint->desc.bEndpointAddress;
  		}
- 		if (((endpoint->desc.bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) && 
- 		    ((endpoint->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) {
+		if (usb_endpoint_is_int_in(&endpoint->desc)) {
 		 	dbg("%s Found interrupt in  endpoint. Address: %d", __FUNCTION__, endpoint->desc.bEndpointAddress);
 		 	priv->read_int_endpoint_address = endpoint->desc.bEndpointAddress;
 	 	}
@@ -355,8 +353,7 @@ static void kobil_close (struct usb_serial_port *port, struct file *filp)
 		usb_free_urb( port->write_urb );
 		port->write_urb = NULL;
 	}
-	if (port->interrupt_in_urb)
-		usb_kill_urb(port->interrupt_in_urb);
+	usb_kill_urb(port->interrupt_in_urb);
 }
 
 
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index b7582cc496d..a906e500a02 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -358,10 +358,8 @@ static int mct_u232_startup (struct usb_serial *serial)
 	/* Puh, that's dirty */
 	port = serial->port[0];
 	rport = serial->port[1];
-	if (port->read_urb) {
-		/* No unlinking, it wasn't submitted yet. */
-		usb_free_urb(port->read_urb);
-	}
+	/* No unlinking, it wasn't submitted yet. */
+	usb_free_urb(port->read_urb);
 	port->read_urb = rport->interrupt_in_urb;
 	rport->interrupt_in_urb = NULL;
 	port->read_urb->context = port;
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 5b71962d035..02c89e10b2c 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -2596,12 +2596,11 @@ static int mos7840_startup(struct usb_serial *serial)
 
 	/* set up port private structures */
 	for (i = 0; i < serial->num_ports; ++i) {
-		mos7840_port = kmalloc(sizeof(struct moschip_port), GFP_KERNEL);
+		mos7840_port = kzalloc(sizeof(struct moschip_port), GFP_KERNEL);
 		if (mos7840_port == NULL) {
 			err("%s - Out of memory", __FUNCTION__);
 			return -ENOMEM;
 		}
-		memset(mos7840_port, 0, sizeof(struct moschip_port));
 
 		/* Initialize all port interrupt end point to port 0 int endpoint *
 		 * Our device has only one interrupt end point comman to all port */
diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c
index 0610409a656..054abee8165 100644
--- a/drivers/usb/serial/navman.c
+++ b/drivers/usb/serial/navman.c
@@ -95,8 +95,7 @@ static void navman_close(struct usb_serial_port *port, struct file *filp)
 {
 	dbg("%s - port %d", __FUNCTION__, port->number);
 
-	if (port->interrupt_in_urb)
-		usb_kill_urb(port->interrupt_in_urb);
+	usb_kill_urb(port->interrupt_in_urb);
 }
 
 static int navman_write(struct usb_serial_port *port,
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 07400c0c8a8..ae98d8cbdbb 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -228,6 +228,7 @@ static int product_5052_count;
 /* null entry */
 static struct usb_device_id ti_id_table_3410[1+TI_EXTRA_VID_PID_COUNT+1] = {
 	{ USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) },
+	{ USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) },
 };
 
 static struct usb_device_id ti_id_table_5052[4+TI_EXTRA_VID_PID_COUNT+1] = {
@@ -239,6 +240,7 @@ static struct usb_device_id ti_id_table_5052[4+TI_EXTRA_VID_PID_COUNT+1] = {
 
 static struct usb_device_id ti_id_table_combined[] = {
 	{ USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) },
+	{ USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) },
 	{ USB_DEVICE(TI_VENDOR_ID, TI_5052_BOOT_PRODUCT_ID) },
 	{ USB_DEVICE(TI_VENDOR_ID, TI_5152_BOOT_PRODUCT_ID) },
 	{ USB_DEVICE(TI_VENDOR_ID, TI_5052_EEPROM_PRODUCT_ID) },
@@ -459,13 +461,12 @@ static int ti_startup(struct usb_serial *serial)
 
 	/* set up port structures */
 	for (i = 0; i < serial->num_ports; ++i) {
-		tport = kmalloc(sizeof(struct ti_port), GFP_KERNEL);
+		tport = kzalloc(sizeof(struct ti_port), GFP_KERNEL);
 		if (tport == NULL) {
 			dev_err(&dev->dev, "%s - out of memory\n", __FUNCTION__);
 			status = -ENOMEM;
 			goto free_tports;
 		}
-		memset(tport, 0, sizeof(struct ti_port));
 		spin_lock_init(&tport->tp_lock);
 		tport->tp_uart_base_addr = (i == 0 ? TI_UART1_BASE_ADDR : TI_UART2_BASE_ADDR);
 		tport->tp_flags = low_latency ? ASYNC_LOW_LATENCY : 0;
diff --git a/drivers/usb/serial/ti_usb_3410_5052.h b/drivers/usb/serial/ti_usb_3410_5052.h
index 02c1aeb9e1b..b5541bf991b 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.h
+++ b/drivers/usb/serial/ti_usb_3410_5052.h
@@ -28,6 +28,7 @@
 /* Vendor and product ids */
 #define TI_VENDOR_ID			0x0451
 #define TI_3410_PRODUCT_ID		0x3410
+#define TI_3410_EZ430_ID		0xF430  /* TI ez430 development tool */
 #define TI_5052_BOOT_PRODUCT_ID		0x5052	/* no EEPROM, no firmware */
 #define TI_5152_BOOT_PRODUCT_ID		0x5152	/* no EEPROM, no firmware */
 #define TI_5052_EEPROM_PRODUCT_ID	0x505A	/* EEPROM, no firmware */
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 2cfba8488a9..3d5072f14b8 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -953,32 +953,28 @@ probe_error:
 		port = serial->port[i];
 		if (!port)
 			continue;
-		if (port->read_urb)
-			usb_free_urb (port->read_urb);
+		usb_free_urb(port->read_urb);
 		kfree(port->bulk_in_buffer);
 	}
 	for (i = 0; i < num_bulk_out; ++i) {
 		port = serial->port[i];
 		if (!port)
 			continue;
-		if (port->write_urb)
-			usb_free_urb (port->write_urb);
+		usb_free_urb(port->write_urb);
 		kfree(port->bulk_out_buffer);
 	}
 	for (i = 0; i < num_interrupt_in; ++i) {
 		port = serial->port[i];
 		if (!port)
 			continue;
-		if (port->interrupt_in_urb)
-			usb_free_urb (port->interrupt_in_urb);
+		usb_free_urb(port->interrupt_in_urb);
 		kfree(port->interrupt_in_buffer);
 	}
 	for (i = 0; i < num_interrupt_out; ++i) {
 		port = serial->port[i];
 		if (!port)
 			continue;
-		if (port->interrupt_out_urb)
-			usb_free_urb (port->interrupt_out_urb);
+		usb_free_urb(port->interrupt_out_urb);
 		kfree(port->interrupt_out_buffer);
 	}
 
diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c
new file mode 100644
index 00000000000..257a5e43687
--- /dev/null
+++ b/drivers/usb/serial/usb_debug.c
@@ -0,0 +1,65 @@
+/*
+ * USB Debug cable driver
+ *
+ * Copyright (C) 2006 Greg Kroah-Hartman <greg@kroah.com>
+ *
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License version
+ *	2 as published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/usb/serial.h>
+
+static struct usb_device_id id_table [] = {
+	{ USB_DEVICE(0x0525, 0x127a) },
+	{ },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+static struct usb_driver debug_driver = {
+	.name =		"debug",
+	.probe =	usb_serial_probe,
+	.disconnect =	usb_serial_disconnect,
+	.id_table =	id_table,
+	.no_dynamic_id = 	1,
+};
+
+static struct usb_serial_driver debug_device = {
+	.driver = {
+		.owner =	THIS_MODULE,
+		.name =		"debug",
+	},
+	.id_table =		id_table,
+	.num_interrupt_in =	NUM_DONT_CARE,
+	.num_bulk_in =		NUM_DONT_CARE,
+	.num_bulk_out =		NUM_DONT_CARE,
+	.num_ports =		1,
+};
+
+static int __init debug_init(void)
+{
+	int retval;
+
+	retval = usb_serial_register(&debug_device);
+	if (retval)
+		return retval;
+	retval = usb_register(&debug_driver);
+	if (retval)
+		usb_serial_deregister(&debug_device);
+	return retval;
+}
+
+static void __exit debug_exit(void)
+{
+	usb_deregister(&debug_driver);
+	usb_serial_deregister(&debug_device);
+}
+
+module_init(debug_init);
+module_exit(debug_exit);
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index befe2e11a04..eef5eaa5fa0 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -348,8 +348,7 @@ static void visor_close (struct usb_serial_port *port, struct file * filp)
 			 
 	/* shutdown our urbs */
 	usb_kill_urb(port->read_urb);
-	if (port->interrupt_in_urb)
-		usb_kill_urb(port->interrupt_in_urb);
+	usb_kill_urb(port->interrupt_in_urb);
 
 	/* Try to send shutdown message, if the device is gone, this will just fail. */
 	transfer_buffer =  kmalloc (0x12, GFP_KERNEL);