From 4d515607ddab653492033323e7666a92adfdf7b1 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Marek=20Beh=C3=BAn?= <marek.behun@nic.cz>
Date: Sat, 25 Sep 2021 02:49:18 +0200
Subject: [PATCH] arm: mvebu: turris_omnia: fix leaked mtd device
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After getting MTD device via get_mtd_device_nm(), we need to put it with
put_mtd_device(), otherwise we get

  Removing MTD device #0 (mx25l6405d) with use count 1

before booting kernel.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Pali Rohár <pali@kernel.org>
Tested-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
---
 board/CZ.NIC/turris_omnia/turris_omnia.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/board/CZ.NIC/turris_omnia/turris_omnia.c b/board/CZ.NIC/turris_omnia/turris_omnia.c
index bac78af04e..a48e1f5c30 100644
--- a/board/CZ.NIC/turris_omnia/turris_omnia.c
+++ b/board/CZ.NIC/turris_omnia/turris_omnia.c
@@ -647,10 +647,13 @@ int ft_board_setup(void *blob, struct bd_info *bd)
 	if (!fixup_mtd_partitions(blob, node, mtd))
 		goto fail;
 
+	put_mtd_device(mtd);
 	return 0;
 
 fail:
 	printf("Failed fixing SPI NOR partitions!\n");
+	if (!IS_ERR_OR_NULL(mtd))
+		put_mtd_device(mtd);
 	return 0;
 }
 #endif
-- 
2.39.5