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USB: serial: option: clean up urb->status usage

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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>
This commit is contained in:
Greg Kroah-Hartman 2007-06-15 15:44:13 -07:00
parent fdc2deb389
commit d6977b51d5
1 changed files with 8 additions and 6 deletions
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14
drivers/usb/serial/option.c
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@ -416,15 +416,16 @@ static void option_indat_callback(struct urb *urb)
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 @@ static void option_indat_callback(struct urb *urb)
}
/* 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_outdat_callback(struct urb *urb)
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 @@ static void option_instat_callback(struct urb *urb)
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 @@ static void option_instat_callback(struct urb *urb)
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)