portNumber = tty->index - serial->minor;
port = serial->port[portNumber];
+ if (!port)
+ return -ENODEV;
++port->open_count;
struct usb_serial_port *port = tty->driver_data;
int retval = -EINVAL;
+ if (!port)
+ goto exit;
+
dbg("%s - port %d, %d byte(s)", __FUNCTION__, port->number, count);
if (!port->open_count) {
struct usb_serial_port *port = tty->driver_data;
int retval = -EINVAL;
+ if (!port)
+ goto exit;
+
dbg("%s - port %d", __FUNCTION__, port->number);
if (!port->open_count) {
struct usb_serial_port *port = tty->driver_data;
int retval = -EINVAL;
+ if (!port)
+ goto exit;
+
dbg("%s = port %d", __FUNCTION__, port->number);
if (!port->open_count) {
{
struct usb_serial_port *port = tty->driver_data;
+ if (!port)
+ return;
+
dbg("%s - port %d", __FUNCTION__, port->number);
if (!port->open_count) {
{
struct usb_serial_port *port = tty->driver_data;
+ if (!port)
+ return;
+
dbg("%s - port %d", __FUNCTION__, port->number);
if (!port->open_count) {
struct usb_serial_port *port = tty->driver_data;
int retval = -ENODEV;
+ if (!port)
+ goto exit;
+
dbg("%s - port %d, cmd 0x%.4x", __FUNCTION__, port->number, cmd);
if (!port->open_count) {
{
struct usb_serial_port *port = tty->driver_data;
+ if (!port)
+ return;
+
dbg("%s - port %d", __FUNCTION__, port->number);
if (!port->open_count) {
{
struct usb_serial_port *port = tty->driver_data;
+ if (!port)
+ return;
+
dbg("%s - port %d", __FUNCTION__, port->number);
if (!port->open_count) {
{
struct usb_serial_port *port = tty->driver_data;
+ if (!port)
+ goto exit;
+
dbg("%s - port %d", __FUNCTION__, port->number);
if (!port->open_count) {
{
struct usb_serial_port *port = tty->driver_data;
+ if (!port)
+ goto exit;
+
dbg("%s - port %d", __FUNCTION__, port->number);
if (!port->open_count) {