drivers/net: Remove pointless checks for NULL prior to calling kfree()
diff --git a/drivers/net/mace.c b/drivers/net/mace.c
index 81d0a26..09b1e7b 100644
--- a/drivers/net/mace.c
+++ b/drivers/net/mace.c
@@ -1035,10 +1035,8 @@
 {
 	macio_unregister_driver(&mace_driver);
 
-	if (dummy_buf) {
-		kfree(dummy_buf);
-		dummy_buf = NULL;
-	}
+	kfree(dummy_buf);
+	dummy_buf = NULL;
 }
 
 MODULE_AUTHOR("Paul Mackerras");