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-rw-r--r--drivers/usb/serial/mos7840.c38
1 files changed, 2 insertions, 36 deletions
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index dcb1e04a0514..207b88d948a9 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -446,28 +446,11 @@ static void mos7840_led_activity(struct usb_serial_port *port)
jiffies + msecs_to_jiffies(LED_ON_MS));
}
-/* Inline functions to check the sanity of a pointer that is passed to us */
-static int mos7840_serial_paranoia_check(struct usb_serial *serial,
- const char *function)
-{
- if (!serial) {
- pr_debug("%s - serial == NULL\n", function);
- return -1;
- }
- if (!serial->type) {
- pr_debug("%s - serial->type == NULL!\n", function);
- return -1;
- }
-
- return 0;
-}
-
static struct usb_serial *mos7840_get_usb_serial(struct usb_serial_port *port,
const char *function)
{
- /* if no port was specified, or it fails a paranoia check */
- if (!port ||
- mos7840_serial_paranoia_check(port->serial, function)) {
+ /* if no port was specified */
+ if (!port) {
/* then say that we don't have a valid usb_serial thing,
* which will end up genrating -ENODEV return values */
return NULL;
@@ -586,9 +569,6 @@ static int mos7840_open(struct tty_struct *tty, struct usb_serial_port *port)
int status;
struct moschip_port *mos7840_port;
- if (mos7840_serial_paranoia_check(serial, __func__))
- return -ENODEV;
-
mos7840_port = mos7840_get_port_private(port);
if (mos7840_port == NULL)
return -ENODEV;
@@ -966,9 +946,6 @@ static int mos7840_write(struct tty_struct *tty, struct usb_serial_port *port,
/* __u16 Data; */
const unsigned char *current_position = data;
- if (mos7840_serial_paranoia_check(serial, __func__))
- return -1;
-
mos7840_port = mos7840_get_port_private(port);
if (mos7840_port == NULL)
return -1;
@@ -1248,9 +1225,6 @@ static int mos7840_send_cmd_write_baud_rate(struct moschip_port *mos7840_port,
__u16 Data;
__u16 clk_sel_val;
- if (mos7840_serial_paranoia_check(port->serial, __func__))
- return -1;
-
dev_dbg(&port->dev, "%s - baud = %d\n", __func__, baudRate);
/* reset clk_uart_sel in spregOffset */
if (baudRate > 115200) {
@@ -1347,9 +1321,6 @@ static void mos7840_change_port_settings(struct tty_struct *tty,
int status;
__u16 Data;
- if (mos7840_serial_paranoia_check(port->serial, __func__))
- return;
-
if (!mos7840_port->open) {
dev_dbg(&port->dev, "%s - port not opened\n", __func__);
return;
@@ -1488,14 +1459,9 @@ static void mos7840_set_termios(struct tty_struct *tty,
struct usb_serial_port *port,
struct ktermios *old_termios)
{
- struct usb_serial *serial = port->serial;
int status;
struct moschip_port *mos7840_port;
-
- if (mos7840_serial_paranoia_check(serial, __func__))
- return;
-
mos7840_port = mos7840_get_port_private(port);
if (mos7840_port == NULL)