From: Ilya Dryomov <idryomov@gmail.com>
Date: Sun, 20 Jan 2013 13:57:57 +0000 (+0200)
Subject: Btrfs: fix unlock order in btrfs_ioctl_rm_dev
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4ac20c70b0734b65662ded735e5f6ba0415bdb71;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

Btrfs: fix unlock order in btrfs_ioctl_rm_dev

Fix unlock order in btrfs_ioctl_rm_dev().

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index fcf1b1b40082..f5c1c150d9f3 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -2319,8 +2319,8 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg)
 	kfree(vol_args);
 out:
 	mutex_unlock(&root->fs_info->volume_mutex);
-	mnt_drop_write_file(file);
 	atomic_set(&root->fs_info->mutually_exclusive_operation_running, 0);
+	mnt_drop_write_file(file);
 	return ret;
 }