Btrfs: Only delete roots from sysfs when they were added to sysfs

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 0338f8fd382..87daed632f3 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -795,7 +795,8 @@ int btrfs_free_fs_root(struct btrfs_fs_info *fs_info, struct btrfs_root *root)
 {
         radix_tree_delete(&fs_info->fs_roots_radix,
                           (unsigned long)root->root_key.objectid);
-        btrfs_sysfs_del_root(root);
+        if (root->in_sysfs)
+                btrfs_sysfs_del_root(root);
         if (root->inode)
                 iput(root->inode);
         if (root->node)