From 2a393f5fd872fad99d639812087383111074cfeb Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 15 Jun 2007 15:44:13 -0700
Subject: [PATCH] USB: serial: io_edgeport: 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>
Cc: Al Borchers <alborchers@steinerpoint.com>
Cc: Peter Berger <pberger@brimson.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/io_edgeport.c | 31 ++++++++++++++++++++-----------
1 file changed, 20 insertions(+), 11 deletions(-)
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 056e1923c4de1..cebb32f4a8319 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -599,10 +599,11 @@ static void edge_interrupt_callback (struct urb *urb)
int txCredits;
int portNumber;
int result;
+ int status = urb->status;
dbg("%s", __FUNCTION__);
- switch (urb->status) {
+ switch (status) {
case 0:
/* success */
break;
@@ -610,10 +611,12 @@ static void edge_interrupt_callback (struct urb *urb)
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
- dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
+ dbg("%s - urb shutting down with status: %d",
+ __FUNCTION__, status);
return;
default:
- dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
+ dbg("%s - nonzero urb status received: %d",
+ __FUNCTION__, status);
goto exit;
}
@@ -688,13 +691,15 @@ static void edge_bulk_in_callback (struct urb *urb)
{
struct edgeport_serial *edge_serial = (struct edgeport_serial *)urb->context;
unsigned char *data = urb->transfer_buffer;
- int status;
+ int retval;
__u16 raw_data_length;
+ int status = urb->status;
dbg("%s", __FUNCTION__);
- 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);
edge_serial->read_in_progress = false;
return;
}
@@ -722,9 +727,11 @@ static void edge_bulk_in_callback (struct urb *urb)
if (edge_serial->rxBytesAvail > 0) {
dbg("%s - posting a read", __FUNCTION__);
edge_serial->read_urb->dev = edge_serial->serial->dev;
- status = usb_submit_urb(edge_serial->read_urb, GFP_ATOMIC);
- if (status) {
- dev_err(&urb->dev->dev, "%s - usb_submit_urb(read bulk) failed, status = %d\n", __FUNCTION__, status);
+ retval = usb_submit_urb(edge_serial->read_urb, GFP_ATOMIC);
+ if (retval) {
+ dev_err(&urb->dev->dev,
+ "%s - usb_submit_urb(read bulk) failed, "
+ "retval = %d\n", __FUNCTION__, retval);
edge_serial->read_in_progress = false;
}
} else {
@@ -744,11 +751,13 @@ static void edge_bulk_out_data_callback (struct urb *urb)
{
struct edgeport_port *edge_port = (struct edgeport_port *)urb->context;
struct tty_struct *tty;
+ int status = urb->status;
dbg("%s", __FUNCTION__);
- if (urb->status) {
- dbg("%s - nonzero write bulk status received: %d", __FUNCTION__, urb->status);
+ if (status) {
+ dbg("%s - nonzero write bulk status received: %d",
+ __FUNCTION__, status);
}
tty = edge_port->port->tty;
--
2.30.2