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Commit 38e8c910 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
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USB: serial: visor: clean up urb->status usage 



This done in anticipation of removal of urb->status, which will make
that patch easier to review and apply in the future.


Cc: <linux-usb-devel@lists.sourceforge.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 52171b48

drivers/usb/serial/visor.c

+12 −8
Original line number Diff line number Diff line
@@ -485,6 +485,7 @@ static void visor_write_bulk_callback (struct urb *urb) 
{

	struct usb_serial_port *port = (struct usb_serial_port *)urb->context;

	struct visor_private *priv = usb_get_serial_port_data(port);

	int status = urb->status;

	unsigned long flags;



	/* free up the transfer buffer, as usb_free_urb() does not do this */
@@ -492,9 +493,9 @@ static void visor_write_bulk_callback (struct urb *urb) 


	dbg("%s - port %d", __FUNCTION__, port->number);



	if (urb->status)

	if (status)

		dbg("%s - nonzero write bulk status received: %d",

		    __FUNCTION__, urb->status);

		    __FUNCTION__, status);



	spin_lock_irqsave(&priv->lock, flags);

	--priv->outstanding_urbs;
@@ -509,14 +510,16 @@ static void visor_read_bulk_callback (struct urb *urb) 
	struct usb_serial_port *port = (struct usb_serial_port *)urb->context;

	struct visor_private *priv = usb_get_serial_port_data(port);

	unsigned char *data = urb->transfer_buffer;

	int status = urb->status;

	struct tty_struct *tty;

	int result;

	int available_room;



	dbg("%s - port %d", __FUNCTION__, port->number);



	if (urb->status) {

		dbg("%s - nonzero read bulk status received: %d", __FUNCTION__, urb->status);

	if (status) {

		dbg("%s - nonzero read bulk status received: %d",

		    __FUNCTION__, status);

		return;

	}
@@ -556,9 +559,10 @@ static void visor_read_bulk_callback (struct urb *urb) 
static void visor_read_int_callback (struct urb *urb)

{

	struct usb_serial_port *port = (struct usb_serial_port *)urb->context;

	int status = urb->status;

	int result;



	switch (urb->status) {

	switch (status) {

	case 0:

		/* success */

		break;
@@ -567,11 +571,11 @@ static void visor_read_int_callback (struct urb *urb) 
	case -ESHUTDOWN:

		/* this urb is terminated, clean up */

		dbg("%s - urb shutting down with status: %d",

		    __FUNCTION__, urb->status);

		    __FUNCTION__, status);

		return;

	default:

		dbg("%s - nonzero urb status received: %d",

		    __FUNCTION__, urb->status);

		    __FUNCTION__, status);

		goto exit;

	}