mtd: Allow removal of partitioning modules

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
diff --git a/drivers/mtd/ar7part.c b/drivers/mtd/ar7part.c
index 7c057a0..ddc0a42 100644
--- a/drivers/mtd/ar7part.c
+++ b/drivers/mtd/ar7part.c
@@ -142,7 +142,13 @@
 	return register_mtd_parser(&ar7_parser);
 }
 
+static void __exit ar7_parser_exit(void)
+{
+	deregister_mtd_parser(&ar7_parser);
+}
+
 module_init(ar7_parser_init);
+module_exit(ar7_parser_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR(	"Felix Fietkau <nbd@openwrt.org>, "