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authorEric Sesterhenn <snakebyte@gmx.de>2006-03-26 18:17:21 +0200
committerAdrian Bunk <bunk@stusta.de>2006-03-26 18:17:21 +0200
commit56ee48277fa214b3b7b0fd91e7fd3464e12597de (patch)
tree58068d7f6ccf295aa8dc10a131e34fc9fe3c3528
parent373ebfbf17a8ecad304f65cb92c4d2d10adc0a19 (diff)
BUG_ON() Conversion in drivers/char
this changes if() BUG(); constructs to BUG_ON() which is cleaner, contains unlikely() and can better optimized away. Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
-rw-r--r--drivers/char/epca.c3
-rw-r--r--drivers/char/tty_io.c11
2 files changed, 5 insertions, 9 deletions
diff --git a/drivers/char/epca.c b/drivers/char/epca.c
index 765c5c108bf..9cad8501d62 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)
} /* End channel is open more than once */
/* Port open only once go ahead with shutdown & reset */
- if (ch->count < 0)
- BUG();
+ BUG_ON(ch->count < 0);
/* ---------------------------------------------------------------
Let the rest of the driver know the channel is being closed.
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 48d795bb8c4..811dadb9ce3 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -543,14 +543,12 @@ void tty_ldisc_put(int disc)
struct tty_ldisc *ld;
unsigned long flags;
- if (disc < N_TTY || disc >= NR_LDISCS)
- BUG();
+ BUG_ON(disc < N_TTY || disc >= NR_LDISCS);
spin_lock_irqsave(&tty_ldisc_lock, flags);
ld = &tty_ldiscs[disc];
- if(ld->refcount == 0)
- BUG();
- ld->refcount --;
+ BUG_ON(ld->refcount == 0);
+ ld->refcount--;
module_put(ld->owner);
spin_unlock_irqrestore(&tty_ldisc_lock, flags);
}
@@ -645,8 +643,7 @@ void tty_ldisc_deref(struct tty_ldisc *ld)
{
unsigned long flags;
- if(ld == NULL)
- BUG();
+ BUG_ON(ld == NULL);
spin_lock_irqsave(&tty_ldisc_lock, flags);
if(ld->refcount == 0)