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-rw-r--r--drivers/char/epca.c3
-rw-r--r--drivers/char/ftape/lowlevel/fdc-io.c2
-rw-r--r--drivers/char/tty_io.c11
3 files changed, 6 insertions, 10 deletions
diff --git a/drivers/char/epca.c b/drivers/char/epca.c
index 765c5c108bf4..9cad8501d62c 100644
--- a/drivers/char/epca.c
+++ b/drivers/char/epca.c
@@ -486,8 +486,7 @@ static void pc_close(struct tty_struct * tty, struct file * filp)
486 } /* End channel is open more than once */ 486 } /* End channel is open more than once */
487 487
488 /* Port open only once go ahead with shutdown & reset */ 488 /* Port open only once go ahead with shutdown & reset */
489 if (ch->count < 0) 489 BUG_ON(ch->count < 0);
490 BUG();
491 490
492 /* --------------------------------------------------------------- 491 /* ---------------------------------------------------------------
493 Let the rest of the driver know the channel is being closed. 492 Let the rest of the driver know the channel is being closed.
diff --git a/drivers/char/ftape/lowlevel/fdc-io.c b/drivers/char/ftape/lowlevel/fdc-io.c
index b2e0928e8428..093fdf98b19a 100644
--- a/drivers/char/ftape/lowlevel/fdc-io.c
+++ b/drivers/char/ftape/lowlevel/fdc-io.c
@@ -607,7 +607,7 @@ void fdc_reset(void)
607 607
608 fdc_mode = fdc_idle; 608 fdc_mode = fdc_idle;
609 609
610 /* maybe the cli()/sti() pair is not necessary, BUT: 610 /* maybe the spin_lock_irq* pair is not necessary, BUT:
611 * the following line MUST be here. Otherwise fdc_interrupt_wait() 611 * the following line MUST be here. Otherwise fdc_interrupt_wait()
612 * won't wait. Note that fdc_reset() is called from 612 * won't wait. Note that fdc_reset() is called from
613 * ftape_dumb_stop() when the fdc is busy transferring data. In this 613 * ftape_dumb_stop() when the fdc is busy transferring data. In this
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 48d795bb8c4b..811dadb9ce3e 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -543,14 +543,12 @@ void tty_ldisc_put(int disc)
543 struct tty_ldisc *ld; 543 struct tty_ldisc *ld;
544 unsigned long flags; 544 unsigned long flags;
545 545
546 if (disc < N_TTY || disc >= NR_LDISCS) 546 BUG_ON(disc < N_TTY || disc >= NR_LDISCS);
547 BUG();
548 547
549 spin_lock_irqsave(&tty_ldisc_lock, flags); 548 spin_lock_irqsave(&tty_ldisc_lock, flags);
550 ld = &tty_ldiscs[disc]; 549 ld = &tty_ldiscs[disc];
551 if(ld->refcount == 0) 550 BUG_ON(ld->refcount == 0);
552 BUG(); 551 ld->refcount--;
553 ld->refcount --;
554 module_put(ld->owner); 552 module_put(ld->owner);
555 spin_unlock_irqrestore(&tty_ldisc_lock, flags); 553 spin_unlock_irqrestore(&tty_ldisc_lock, flags);
556} 554}
@@ -645,8 +643,7 @@ void tty_ldisc_deref(struct tty_ldisc *ld)
645{ 643{
646 unsigned long flags; 644 unsigned long flags;
647 645
648 if(ld == NULL) 646 BUG_ON(ld == NULL);
649 BUG();
650 647
651 spin_lock_irqsave(&tty_ldisc_lock, flags); 648 spin_lock_irqsave(&tty_ldisc_lock, flags);
652 if(ld->refcount == 0) 649 if(ld->refcount == 0)