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-rw-r--r--fs/namespace.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index 9b8d07df4aa5..449e66436b4f 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2570,7 +2570,7 @@ enum mnt_tree_flags_t {
/**
* attach_recursive_mnt - attach a source mount tree
* @source_mnt: mount tree to be attached
- * @top_mnt: mount that @source_mnt will be mounted on or mounted beneath
+ * @dest_mnt: mount that @source_mnt will be mounted on
* @dest_mp: the mountpoint @source_mnt will be mounted at
* @flags: modify how @source_mnt is supposed to be attached
*
@@ -2635,20 +2635,20 @@ enum mnt_tree_flags_t {
* Otherwise a negative error code is returned.
*/
static int attach_recursive_mnt(struct mount *source_mnt,
- struct mount *top_mnt,
+ struct mount *dest_mnt,
struct mountpoint *dest_mp,
enum mnt_tree_flags_t flags)
{
struct user_namespace *user_ns = current->nsproxy->mnt_ns->user_ns;
HLIST_HEAD(tree_list);
- struct mnt_namespace *ns = top_mnt->mnt_ns;
+ struct mnt_namespace *ns = dest_mnt->mnt_ns;
struct mountpoint *smp;
struct mountpoint *shorter = NULL;
- struct mount *child, *dest_mnt, *p;
+ struct mount *child, *p;
struct mount *top;
struct hlist_node *n;
int err = 0;
- bool moving = flags & MNT_TREE_MOVE, beneath = flags & MNT_TREE_BENEATH;
+ bool moving = flags & MNT_TREE_MOVE;
/*
* Preallocate a mountpoint in case the new mounts need to be
@@ -2669,11 +2669,6 @@ static int attach_recursive_mnt(struct mount *source_mnt,
goto out;
}
- if (beneath)
- dest_mnt = top_mnt->mnt_parent;
- else
- dest_mnt = top_mnt;
-
if (IS_MNT_SHARED(dest_mnt)) {
err = invent_group_ids(source_mnt, true);
if (err)
@@ -3688,7 +3683,7 @@ static int do_move_mount(struct path *old_path,
if (mount_is_ancestor(old, p))
goto out;
- err = attach_recursive_mnt(old, real_mount(new_path->mnt), mp, flags);
+ err = attach_recursive_mnt(old, p, mp, flags);
if (err)
goto out;