added mem_flags to usb_submit_urb().

This fixes the drivers in drivers/usb/serial.
Patch done by Oliver Neukum.

drivers/usb/serial/empeg.c

@@ -607,7 +607,7 @@ static int __init empeg_init (void)
 	/* create our write urb pool and transfer buffers */ 
 	spin_lock_init (&write_urb_pool_lock);
 	for (i = 0; i < NUM_URBS; ++i) {
-		urb = usb_alloc_urb(0);
+		urb = usb_alloc_urb(0, GFP_KERNEL);
 		write_urb_pool[i] = urb;
 		if (urb == NULL) {
 			err("No more urbs???");

drivers/usb/serial/io_edgeport.c

@@ -1091,7 +1091,7 @@ static int edge_open (struct usb_serial_port *port, struct file * filp)
 		}
 
 		/* Allocate a URB for the write */
-		edge_port->write_urb = usb_alloc_urb (0);
+		edge_port->write_urb = usb_alloc_urb (0, GFP_KERNEL);
 
 		if (!edge_port->write_urb) {
 			dbg(__FUNCTION__" - no memory");
@@ -2462,7 +2462,7 @@ static int write_cmd_usb (struct edgeport_port *edge_port, unsigned char *buffer
 	usb_serial_debug_data (__FILE__, __FUNCTION__, length, buffer);
 
 	/* Allocate our next urb */
-	urb = usb_alloc_urb (0);
+	urb = usb_alloc_urb (0, GFP_KERNEL);
 	if (!urb)
 		return -ENOMEM;
 

drivers/usb/serial/keyspan.c

@@ -1051,7 +1051,7 @@ static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint,
 		return NULL;		/* endpoint not needed */
 
 	dbg (__FUNCTION__ " alloc for endpoint %d.\n", endpoint);
-	urb = usb_alloc_urb(0);		/* No ISO */
+	urb = usb_alloc_urb(0, GFP_KERNEL);		/* No ISO */
 	if (urb == NULL) {
 		dbg (__FUNCTION__ " alloc for endpoint %d failed.\n", endpoint);
 		return NULL;

drivers/usb/serial/kl5kusb105.c

@@ -280,7 +280,7 @@ static int klsi_105_startup (struct usb_serial *serial)
 
 		spin_lock_init (&priv->write_urb_pool_lock);
 		for (i=0; i<NUM_URBS; i++) {
-			struct urb* urb = usb_alloc_urb(0);
+			struct urb* urb = usb_alloc_urb(0, GFP_KERNEL);
 
 			priv->write_urb_pool[i] = urb;
 			if (urb == NULL) {

drivers/usb/serial/usbserial.c

@@ -1203,7 +1203,7 @@ static void * usb_serial_probe(struct usb_device *dev, unsigned int ifnum,
 	for (i = 0; i < num_bulk_in; ++i) {
 		endpoint = bulk_in_endpoint[i];
 		port = &serial->port[i];
-		port->read_urb = usb_alloc_urb (0);
+		port->read_urb = usb_alloc_urb (0, GFP_KERNEL);
 		if (!port->read_urb) {
 			err("No free urbs available");
 			goto probe_error;
@@ -1228,7 +1228,7 @@ static void * usb_serial_probe(struct usb_device *dev, unsigned int ifnum,
 	for (i = 0; i < num_bulk_out; ++i) {
 		endpoint = bulk_out_endpoint[i];
 		port = &serial->port[i];
-		port->write_urb = usb_alloc_urb(0);
+		port->write_urb = usb_alloc_urb(0, GFP_KERNEL);
 		if (!port->write_urb) {
 			err("No free urbs available");
 			goto probe_error;
@@ -1254,7 +1254,7 @@ static void * usb_serial_probe(struct usb_device *dev, unsigned int ifnum,
 	for (i = 0; i < num_interrupt_in; ++i) {
 		endpoint = interrupt_in_endpoint[i];
 		port = &serial->port[i];
-		port->interrupt_in_urb = usb_alloc_urb(0);
+		port->interrupt_in_urb = usb_alloc_urb(0, GFP_KERNEL);
 		if (!port->interrupt_in_urb) {
 			err("No free urbs available");
 			goto probe_error;

drivers/usb/serial/visor.c

@@ -787,7 +787,7 @@ static int __init visor_init (void)
 	/* create our write urb pool and transfer buffers */ 
 	spin_lock_init (&write_urb_pool_lock);
 	for (i = 0; i < NUM_URBS; ++i) {
-		urb = usb_alloc_urb(0);
+		urb = usb_alloc_urb(0, GFP_KERNEL);
 		write_urb_pool[i] = urb;
 		if (urb == NULL) {
 			err("No more urbs???");