--- linux/drivers/ide/ide-cd.c.orig	Fri Mar 22 01:11:51 2002
+++ linux/drivers/ide/ide-cd.c	Fri Mar 22 01:11:18 2002
@@ -786,7 +786,7 @@
 			return startstop;
 	}
 
-	if (HWGROUP(drive)->handler == NULL)	/* paranoia check */
+	if (HWGROUP(drive)->handler != NULL)	/* paranoia check */
 		BUG();
 
 	/* Arm the interrupt handler. */