BUG_ON() Conversion in input/serio/hil_mlc.c

this changes if() BUG(); constructs to BUG_ON() which is
cleaner and can better optimized away

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>

drivers/input/serio/hil_mlc.c

@@ -556,7 +556,7 @@ static inline void hilse_setup_input(hil_mlc *mlc, struct hilse_node *node) {
 	do_gettimeofday(&(mlc->instart));
 	mlc->icount = 15;
 	memset(mlc->ipacket, 0, 16 * sizeof(hil_packet));
-	if (down_trylock(&(mlc->isem))) BUG();
+	BUG_ON(down_trylock(&(mlc->isem)));
 
 	return;
 }