--- a/kern/subr_bus.c
+++ b/kern/subr_bus.c
@@ -617,7 +617,7 @@
 		kfree(pnp, M_BUS);
 	if (loc != NULL)
 		kfree(loc, M_BUS);
-	if (loc != NULL)
+	if (data != NULL)
 		kfree(data, M_BUS);
 	return;
 }