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USB: serial: mos7840: 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: Paul Schroeder <pschroeder@uplogix.com>
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 8110598484
commit 0643c72435
1 changed files with 19 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
drivers/usb/serial/mos7840.c
View File

@ -434,6 +434,7 @@ static void mos7840_control_callback(struct urb *urb)
struct moschip_port *mos7840_port;
__u8 regval = 0x0;
int result = 0;
int status = urb->status;
if (!urb) {
dbg("%s", "Invalid Pointer !!!!:\n");
@ -442,7 +443,7 @@ static void mos7840_control_callback(struct urb *urb)
mos7840_port = (struct moschip_port *)urb->context;
switch (urb->status) {
switch (status) {
case 0:
/* success */
break;
@ -451,11 +452,11 @@ static void mos7840_control_callback(struct urb *urb)
case -ESHUTDOWN:
/* this urb is terminated, clean up */
dbg("%s - urb shutting down with status: %d", __FUNCTION__,
urb->status);
status);
return;
default:
dbg("%s - nonzero urb status received: %d", __FUNCTION__,
urb->status);
status);
goto exit;
}
@ -521,6 +522,7 @@ static void mos7840_interrupt_callback(struct urb *urb)
__u8 sp[5], st;
int i, rv = 0;
__u16 wval, wreg = 0;
int status = urb->status;
dbg("%s", " : Entering\n");
if (!urb) {
@ -528,7 +530,7 @@ static void mos7840_interrupt_callback(struct urb *urb)
return;
}
switch (urb->status) {
switch (status) {
case 0:
/* success */
break;
@ -537,11 +539,11 @@ static void mos7840_interrupt_callback(struct urb *urb)
case -ESHUTDOWN:
/* this urb is terminated, clean up */
dbg("%s - urb shutting down with status: %d", __FUNCTION__,
urb->status);
status);
return;
default:
dbg("%s - nonzero urb status received: %d", __FUNCTION__,
urb->status);
status);
goto exit;
}
@ -666,20 +668,21 @@ static struct usb_serial *mos7840_get_usb_serial(struct usb_serial_port *port,
static void mos7840_bulk_in_callback(struct urb *urb)
{
int status;
int retval;
unsigned char *data;
struct usb_serial *serial;
struct usb_serial_port *port;
struct moschip_port *mos7840_port;
struct tty_struct *tty;
int status = urb->status;
if (!urb) {
dbg("%s", "Invalid Pointer !!!!:\n");
return;
}
if (urb->status) {
dbg("nonzero read bulk status received: %d", urb->status);
if (status) {
dbg("nonzero read bulk status received: %d", status);
return;
}
@ -729,11 +732,11 @@ static void mos7840_bulk_in_callback(struct urb *urb)
mos7840_port->read_urb->dev = serial->dev;
status = usb_submit_urb(mos7840_port->read_urb, GFP_ATOMIC);
retval = usb_submit_urb(mos7840_port->read_urb, GFP_ATOMIC);
if (status) {
dbg(" usb_submit_urb(read bulk) failed, status = %d",
status);
if (retval) {
dbg(" usb_submit_urb(read bulk) failed, retval = %d",
retval);
}
}
@ -747,6 +750,7 @@ static void mos7840_bulk_out_data_callback(struct urb *urb)
{
struct moschip_port *mos7840_port;
struct tty_struct *tty;
int status = urb->status;
int i;
if (!urb) {
@ -764,8 +768,8 @@ static void mos7840_bulk_out_data_callback(struct urb *urb)
}
spin_unlock(&mos7840_port->pool_lock);
if (urb->status) {
dbg("nonzero write bulk status received:%d\n", urb->status);
if (status) {
dbg("nonzero write bulk status received:%d\n", status);
return;
}