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path: root/drivers/char/pcmcia/ipwireless/tty.c
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Diffstat (limited to 'drivers/char/pcmcia/ipwireless/tty.c')
-rw-r--r--drivers/char/pcmcia/ipwireless/tty.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/char/pcmcia/ipwireless/tty.c b/drivers/char/pcmcia/ipwireless/tty.c
index 3a23e7694d55..569f2f7743a7 100644
--- a/drivers/char/pcmcia/ipwireless/tty.c
+++ b/drivers/char/pcmcia/ipwireless/tty.c
@@ -276,6 +276,7 @@ static int ipw_write_room(struct tty_struct *linux_tty)
276 struct ipw_tty *tty = linux_tty->driver_data; 276 struct ipw_tty *tty = linux_tty->driver_data;
277 int room; 277 int room;
278 278
279 /* FIXME: Exactly how is the tty object locked here .. */
279 if (!tty) 280 if (!tty)
280 return -ENODEV; 281 return -ENODEV;
281 282
@@ -397,6 +398,7 @@ static int set_control_lines(struct ipw_tty *tty, unsigned int set,
397static int ipw_tiocmget(struct tty_struct *linux_tty, struct file *file) 398static int ipw_tiocmget(struct tty_struct *linux_tty, struct file *file)
398{ 399{
399 struct ipw_tty *tty = linux_tty->driver_data; 400 struct ipw_tty *tty = linux_tty->driver_data;
401 /* FIXME: Exactly how is the tty object locked here .. */
400 402
401 if (!tty) 403 if (!tty)
402 return -ENODEV; 404 return -ENODEV;
@@ -412,6 +414,7 @@ ipw_tiocmset(struct tty_struct *linux_tty, struct file *file,
412 unsigned int set, unsigned int clear) 414 unsigned int set, unsigned int clear)
413{ 415{
414 struct ipw_tty *tty = linux_tty->driver_data; 416 struct ipw_tty *tty = linux_tty->driver_data;
417 /* FIXME: Exactly how is the tty object locked here .. */
415 418
416 if (!tty) 419 if (!tty)
417 return -ENODEV; 420 return -ENODEV;
@@ -433,6 +436,8 @@ static int ipw_ioctl(struct tty_struct *linux_tty, struct file *file,
433 if (!tty->open_count) 436 if (!tty->open_count)
434 return -EINVAL; 437 return -EINVAL;
435 438
439 /* FIXME: Exactly how is the tty object locked here .. */
440
436 switch (cmd) { 441 switch (cmd) {
437 case TIOCGSERIAL: 442 case TIOCGSERIAL:
438 return ipwireless_get_serial_info(tty, (void __user *) arg); 443 return ipwireless_get_serial_info(tty, (void __user *) arg);
@@ -467,13 +472,6 @@ static int ipw_ioctl(struct tty_struct *linux_tty, struct file *file,
467 } 472 }
468 return 0; 473 return 0;
469 474
470 case TCGETS:
471 case TCGETA:
472 return n_tty_ioctl(linux_tty, file, cmd, arg);
473
474 case TCFLSH:
475 return n_tty_ioctl(linux_tty, file, cmd, arg);
476
477 case FIONREAD: 475 case FIONREAD:
478 { 476 {
479 int val = 0; 477 int val = 0;
@@ -482,10 +480,11 @@ static int ipw_ioctl(struct tty_struct *linux_tty, struct file *file,
482 return -EFAULT; 480 return -EFAULT;
483 } 481 }
484 return 0; 482 return 0;
483 case TCFLSH:
484 return tty_perform_flush(linux_tty, arg);
485 } 485 }
486 } 486 }
487 487 return tty_mode_ioctl(linux_tty, file, cmd , arg);
488 return -ENOIOCTLCMD;
489} 488}
490 489
491static int add_tty(dev_node_t *nodesp, int j, 490static int add_tty(dev_node_t *nodesp, int j,
@@ -588,6 +587,8 @@ void ipwireless_tty_free(struct ipw_tty *tty)
588 tty_hangup(ttyj->linux_tty); 587 tty_hangup(ttyj->linux_tty);
589 /* Wait till the tty_hangup has completed */ 588 /* Wait till the tty_hangup has completed */
590 flush_scheduled_work(); 589 flush_scheduled_work();
590 /* FIXME: Exactly how is the tty object locked here
591 against a parallel ioctl etc */
591 mutex_lock(&ttyj->ipw_tty_mutex); 592 mutex_lock(&ttyj->ipw_tty_mutex);
592 } 593 }
593 while (ttyj->open_count) 594 while (ttyj->open_count)