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-rw-r--r--drivers/usb/serial/mos7720.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index b563e2ad872..5a4c33c492d 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -103,6 +103,7 @@ static void mos7720_interrupt_callback(struct urb *urb)
{
int result;
int length;
+ int status = urb->status;
__u8 *data;
__u8 sp1;
__u8 sp2;
@@ -114,7 +115,7 @@ static void mos7720_interrupt_callback(struct urb *urb)
return;
}
- switch (urb->status) {
+ switch (status) {
case 0:
/* success */
break;
@@ -123,11 +124,11 @@ static void mos7720_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;
}
@@ -198,14 +199,15 @@ exit:
*/
static void mos7720_bulk_in_callback(struct urb *urb)
{
- int status;
+ int retval;
unsigned char *data ;
struct usb_serial_port *port;
struct moschip_port *mos7720_port;
struct tty_struct *tty;
+ int status = urb->status;
- if (urb->status) {
- dbg("nonzero read bulk status received: %d",urb->status);
+ if (status) {
+ dbg("nonzero read bulk status received: %d", status);
return;
}
@@ -236,10 +238,10 @@ static void mos7720_bulk_in_callback(struct urb *urb)
if (port->read_urb->status != -EINPROGRESS) {
port->read_urb->dev = port->serial->dev;
- status = usb_submit_urb(port->read_urb, GFP_ATOMIC);
- if (status)
- dbg("usb_submit_urb(read bulk) failed, status = %d",
- status);
+ retval = usb_submit_urb(port->read_urb, GFP_ATOMIC);
+ if (retval)
+ dbg("usb_submit_urb(read bulk) failed, retval = %d",
+ retval);
}
}
@@ -252,9 +254,10 @@ static void mos7720_bulk_out_data_callback(struct urb *urb)
{
struct moschip_port *mos7720_port;
struct tty_struct *tty;
+ int status = urb->status;
- if (urb->status) {
- dbg("nonzero write bulk status received:%d", urb->status);
+ if (status) {
+ dbg("nonzero write bulk status received:%d", status);
return;
}