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authorJiri Slaby <jslaby@suse.cz>2012-03-05 08:52:26 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-03-08 15:30:51 -0500
commit12c8035435fa16e3f6b18049bb1d7815c00a7a58 (patch)
tree4777a85e7f4902bc37b1ace6d26e11d2ec43fb1b /arch/ia64
parent799be6ff2fd7294f428a9e68a7786490c862c1af (diff)
TTY: amiserial/simserial, use count from tty_port
Nothing special. Just remove count from serial_state and change all users to use tty_port. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/hp/sim/simserial.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index fb324b345e88..baa2b1ec00a0 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -500,26 +500,26 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
500 return; 500 return;
501 } 501 }
502#ifdef SIMSERIAL_DEBUG 502#ifdef SIMSERIAL_DEBUG
503 printk("rs_close ttys%d, count = %d\n", info->line, info->count); 503 printk("rs_close ttys%d, count = %d\n", info->line, info->tport.count);
504#endif 504#endif
505 if ((tty->count == 1) && (info->count != 1)) { 505 if ((tty->count == 1) && (info->tport.count != 1)) {
506 /* 506 /*
507 * Uh, oh. tty->count is 1, which means that the tty 507 * Uh, oh. tty->count is 1, which means that the tty
508 * structure will be freed. info->count should always 508 * structure will be freed. info->tport.count should always
509 * be one in these conditions. If it's greater than 509 * be one in these conditions. If it's greater than
510 * one, we've got real problems, since it means the 510 * one, we've got real problems, since it means the
511 * serial port won't be shutdown. 511 * serial port won't be shutdown.
512 */ 512 */
513 printk(KERN_ERR "rs_close: bad serial port count; tty->count is 1, " 513 printk(KERN_ERR "rs_close: bad serial port count; tty->count is 1, "
514 "info->count is %d\n", info->count); 514 "info->tport.count is %d\n", info->tport.count);
515 info->count = 1; 515 info->tport.count = 1;
516 } 516 }
517 if (--info->count < 0) { 517 if (--info->tport.count < 0) {
518 printk(KERN_ERR "rs_close: bad serial port count for ttys%d: %d\n", 518 printk(KERN_ERR "rs_close: bad serial port count for ttys%d: %d\n",
519 info->line, info->count); 519 info->line, info->tport.count);
520 info->count = 0; 520 info->tport.count = 0;
521 } 521 }
522 if (info->count) { 522 if (info->tport.count) {
523 local_irq_restore(flags); 523 local_irq_restore(flags);
524 return; 524 return;
525 } 525 }
@@ -567,7 +567,7 @@ static void rs_hangup(struct tty_struct *tty)
567 return; 567 return;
568 shutdown(tty, info); 568 shutdown(tty, info);
569 569
570 info->count = 0; 570 info->tport.count = 0;
571 info->flags &= ~ASYNC_NORMAL_ACTIVE; 571 info->flags &= ~ASYNC_NORMAL_ACTIVE;
572 info->tport.tty = NULL; 572 info->tport.tty = NULL;
573 wake_up_interruptible(&info->tport.open_wait); 573 wake_up_interruptible(&info->tport.open_wait);
@@ -661,13 +661,13 @@ static int rs_open(struct tty_struct *tty, struct file * filp)
661 int retval; 661 int retval;
662 unsigned long page; 662 unsigned long page;
663 663
664 info->count++; 664 info->tport.count++;
665 info->tport.tty = tty; 665 info->tport.tty = tty;
666 tty->driver_data = info; 666 tty->driver_data = info;
667 tty->port = &info->tport; 667 tty->port = &info->tport;
668 668
669#ifdef SIMSERIAL_DEBUG 669#ifdef SIMSERIAL_DEBUG
670 printk("rs_open %s, count = %d\n", tty->name, info->count); 670 printk("rs_open %s, count = %d\n", tty->name, info->tport.count);
671#endif 671#endif
672 tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; 672 tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
673 673