linux-kernel - [PATCH] btrfs: Fix missing close devices

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Date:   Mon, 21 Sep 2020 15:29:26 +0800
From:   <qiang.zhang@...driver.com>
To:     <clm@...com>, <josef@...icpanda.com>, <dsterba@...e.com>
CC:     <linux-btrfs@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] btrfs: Fix missing close devices

From: Zqiang <qiang.zhang@...driver.com>

When the btrfs fill super error, we should first close devices and
then call deactivate_locked_super func to free fs_info.

Signed-off-by: Zqiang <qiang.zhang@...driver.com>
---
 fs/btrfs/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 8840a4fa81eb..3bfd54e8f388 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1675,6 +1675,7 @@ static struct dentry *btrfs_mount_root(struct file_system_type *fs_type,
 		error = security_sb_set_mnt_opts(s, new_sec_opts, 0, NULL);
 	security_free_mnt_opts(&new_sec_opts);
 	if (error) {
+		btrfs_close_devices(fs_devices);
 		deactivate_locked_super(s);
 		return ERR_PTR(error);
 	}
-- 
2.17.1