* 'interrupt' routine.
*/
-static unsigned int serport_ldisc_receive(struct tty_struct *tty,
- const unsigned char *cp, char *fp, int count)
+static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *cp, char *fp, int count)
{
struct serport *serport = (struct serport*) tty->disc_data;
unsigned long flags;
unsigned int ch_flags;
- int ret = 0;
int i;
spin_lock_irqsave(&serport->lock, flags);
- if (!test_bit(SERPORT_ACTIVE, &serport->flags)) {
- ret = -EINVAL;
+ if (!test_bit(SERPORT_ACTIVE, &serport->flags))
goto out;
- }
for (i = 0; i < count; i++) {
switch (fp[i]) {
out:
spin_unlock_irqrestore(&serport->lock, flags);
-
- return ret == 0 ? count : ret;
}
/*