ti = get_tracefs(inode);
if (ti && ti->flags & TRACEFS_EVENT_INODE)
- eventfs_set_ef_status_free(dentry);
+ eventfs_set_ef_status_free(ti, dentry);
iput(inode);
}
struct dentry *dentry;
int error;
+ /* Must always have a parent. */
+ if (WARN_ON_ONCE(!parent))
+ return ERR_PTR(-EINVAL);
+
error = simple_pin_fs(&trace_fs_type, &tracefs_mount,
&tracefs_mount_count);
if (error)
return ERR_PTR(error);
- /*
- * If the parent is not specified, we create it in the root.
- * We need the root dentry to do this, which is in the super
- * block. A pointer to that is in the struct vfsmount that we
- * have around.
- */
- if (!parent)
- parent = tracefs_mount->mnt_root;
-
if (unlikely(IS_DEADDIR(parent->d_inode)))
dentry = ERR_PTR(-ENOENT);
else
*/
struct dentry *tracefs_create_dir(const char *name, struct dentry *parent)
{
+ if (security_locked_down(LOCKDOWN_TRACEFS))
+ return NULL;
+
return __create_dir(name, parent, &simple_dir_inode_operations);
}