USB: serial: option: 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: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index b37d65f..84c12b5 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -416,15 +416,16 @@
struct usb_serial_port *port;
struct tty_struct *tty;
unsigned char *data = urb->transfer_buffer;
+ int status = urb->status;
dbg("%s: %p", __FUNCTION__, urb);
endpoint = usb_pipeendpoint(urb->pipe);
port = (struct usb_serial_port *) urb->context;
- if (urb->status) {
+ if (status) {
dbg("%s: nonzero status: %d on endpoint %02x.",
- __FUNCTION__, urb->status, endpoint);
+ __FUNCTION__, status, endpoint);
} else {
tty = port->tty;
if (urb->actual_length) {
@@ -436,7 +437,7 @@
}
/* Resubmit urb so we continue receiving */
- if (port->open_count && urb->status != -ESHUTDOWN) {
+ if (port->open_count && status != -ESHUTDOWN) {
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err)
printk(KERN_ERR "%s: resubmit read urb failed. "
@@ -471,6 +472,7 @@
static void option_instat_callback(struct urb *urb)
{
int err;
+ int status = urb->status;
struct usb_serial_port *port = (struct usb_serial_port *) urb->context;
struct option_port_private *portdata = usb_get_serial_port_data(port);
struct usb_serial *serial = port->serial;
@@ -478,7 +480,7 @@
dbg("%s", __FUNCTION__);
dbg("%s: urb %p port %p has data %p", __FUNCTION__,urb,port,portdata);
- if (urb->status == 0) {
+ if (status == 0) {
struct usb_ctrlrequest *req_pkt =
(struct usb_ctrlrequest *)urb->transfer_buffer;
@@ -509,10 +511,10 @@
req_pkt->bRequestType,req_pkt->bRequest);
}
} else
- dbg("%s: error %d", __FUNCTION__, urb->status);
+ dbg("%s: error %d", __FUNCTION__, status);
/* Resubmit urb so we continue receiving IRQ data */
- if (urb->status != -ESHUTDOWN) {
+ if (status != -ESHUTDOWN) {
urb->dev = serial->dev;
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err)