diff --git a/kernel/printk.c b/kernel/printk.c
index 8cc1943..c056f33 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -360,8 +360,7 @@
 	unsigned long cur_index, start_print;
 	static int msg_level = -1;
 
-	if (((long)(start - end)) > 0)
-		BUG();
+	BUG_ON(((long)(start - end)) > 0);
 
 	cur_index = start;
 	start_print = start;
@@ -708,8 +707,7 @@
  */
 void acquire_console_sem(void)
 {
-	if (in_interrupt())
-		BUG();
+	BUG_ON(in_interrupt());
 	down(&console_sem);
 	console_locked = 1;
 	console_may_schedule = 1;