diff options
Diffstat (limited to 'security/selinux/selinuxfs.c')
| -rw-r--r-- | security/selinux/selinuxfs.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index 232e087bce3e..404e08bf60ba 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -506,6 +506,7 @@ static int sel_make_policy_nodes(struct selinux_fs_info *fsi, { int ret = 0; struct dentry *tmp_parent, *tmp_bool_dir, *tmp_class_dir; + struct renamedata rd = {}; unsigned int bool_num = 0; char **bool_names = NULL; int *bool_values = NULL; @@ -539,9 +540,14 @@ static int sel_make_policy_nodes(struct selinux_fs_info *fsi, if (ret) goto out; - lock_rename(tmp_parent, fsi->sb->s_root); + rd.old_parent = tmp_parent; + rd.new_parent = fsi->sb->s_root; /* booleans */ + ret = start_renaming_two_dentries(&rd, tmp_bool_dir, fsi->bool_dir); + if (ret) + goto out; + d_exchange(tmp_bool_dir, fsi->bool_dir); swap(fsi->bool_num, bool_num); @@ -549,12 +555,17 @@ static int sel_make_policy_nodes(struct selinux_fs_info *fsi, swap(fsi->bool_pending_values, bool_values); fsi->bool_dir = tmp_bool_dir; + end_renaming(&rd); /* classes */ + ret = start_renaming_two_dentries(&rd, tmp_class_dir, fsi->class_dir); + if (ret) + goto out; + d_exchange(tmp_class_dir, fsi->class_dir); fsi->class_dir = tmp_class_dir; - unlock_rename(tmp_parent, fsi->sb->s_root); + end_renaming(&rd); out: sel_remove_old_bool_data(bool_num, bool_names, bool_values); |