mtd: make register_mtd_parser return void

register_mtd_parser never fails; hence make it return void.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c
index f0a708b..aa26c32 100644
--- a/drivers/mtd/ofpart.c
+++ b/drivers/mtd/ofpart.c
@@ -173,18 +173,9 @@
 
 static int __init ofpart_parser_init(void)
 {
-	int rc;
-	rc = register_mtd_parser(&ofpart_parser);
-	if (rc)
-		goto out;
-
-	rc = register_mtd_parser(&ofoldpart_parser);
-	if (!rc)
-		return 0;
-
-	deregister_mtd_parser(&ofoldpart_parser);
-out:
-	return rc;
+	register_mtd_parser(&ofpart_parser);
+	register_mtd_parser(&ofoldpart_parser);
+	return 0;
 }
 
 static void __exit ofpart_parser_exit(void)