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authorGreg Kroah-Hartman <gregkh@suse.de>2008-12-10 16:00:30 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2009-01-07 10:00:06 -0800
commit50de36f7af3b1d791c402478210790c582126fe5 (patch)
tree78d3353450be45315bb2ffa1cd7c664c26458c73 /drivers/usb/serial/iuu_phoenix.c
parent6013bbbab0dcbc43bcf9dd70beeab2a0b1ec5ea7 (diff)
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USB: serial: fix up urb->status usage
Some of the usb-serial drivers are starting to use urb->status in ways they should not be doing. This fixes up some of them to prevent that. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/serial/iuu_phoenix.c')
-rw-r--r--drivers/usb/serial/iuu_phoenix.c38
1 files changed, 21 insertions, 17 deletions
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index e320972cb227..2314c6ae4fc2 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -190,10 +190,12 @@ static void iuu_rxcmd(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
int result;
+ int status = urb->status;
+
dbg("%s - enter", __func__);
- if (urb->status) {
- dbg("%s - urb->status = %d", __func__, urb->status);
+ if (status) {
+ dbg("%s - status = %d", __func__, status);
/* error stop all */
return;
}
@@ -245,10 +247,12 @@ static void iuu_update_status_callback(struct urb *urb)
struct usb_serial_port *port = urb->context;
struct iuu_private *priv = usb_get_serial_port_data(port);
u8 *st;
+ int status = urb->status;
+
dbg("%s - enter", __func__);
- if (urb->status) {
- dbg("%s - urb->status = %d", __func__, urb->status);
+ if (status) {
+ dbg("%s - status = %d", __func__, status);
/* error stop all */
return;
}
@@ -274,9 +278,9 @@ static void iuu_status_callback(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
int result;
- dbg("%s - enter", __func__);
+ int status = urb->status;
- dbg("%s - urb->status = %d", __func__, urb->status);
+ dbg("%s - status = %d", __func__, status);
usb_fill_bulk_urb(port->read_urb, port->serial->dev,
usb_rcvbulkpipe(port->serial->dev,
port->bulk_in_endpointAddress),
@@ -618,11 +622,12 @@ static void read_buf_callback(struct urb *urb)
struct usb_serial_port *port = urb->context;
unsigned char *data = urb->transfer_buffer;
struct tty_struct *tty;
- dbg("%s - urb->status = %d", __func__, urb->status);
+ int status = urb->status;
- if (urb->status) {
- dbg("%s - urb->status = %d", __func__, urb->status);
- if (urb->status == -EPROTO) {
+ dbg("%s - status = %d", __func__, status);
+
+ if (status) {
+ if (status == -EPROTO) {
/* reschedule needed */
}
return;
@@ -695,7 +700,7 @@ static void iuu_uart_read_callback(struct urb *urb)
struct usb_serial_port *port = urb->context;
struct iuu_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
- int status;
+ int status = urb->status;
int error = 0;
int len = 0;
unsigned char *data = urb->transfer_buffer;
@@ -703,8 +708,8 @@ static void iuu_uart_read_callback(struct urb *urb)
dbg("%s - enter", __func__);
- if (urb->status) {
- dbg("%s - urb->status = %d", __func__, urb->status);
+ if (status) {
+ dbg("%s - status = %d", __func__, status);
/* error stop all */
return;
}
@@ -782,12 +787,11 @@ static void read_rxcmd_callback(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
int result;
- dbg("%s - enter", __func__);
+ int status = urb->status;
- dbg("%s - urb->status = %d", __func__, urb->status);
+ dbg("%s - status = %d", __func__, status);
- if (urb->status) {
- dbg("%s - urb->status = %d", __func__, urb->status);
+ if (status) {
/* error stop all */
return;
}