From: SeongJae Park <redacted>

On Mon, 14 Jun 2021 11:30:12 +0200 [off-list ref] wrote:

+    new_dir = debugfs_create_dir(name, root);
+    dbgfs_dirs[dbgfs_nr_ctxs] = new_dir;

debugfs_create_dir might return ERR_PTR, should this be checked?

Greg, the maintainer of debugfs, recommended to just ignore that:
https://lore.kernel.org/linux-mm/YB1kZaD%2F7omxXztF@kroah.com/ (local)


Thanks,
SeongJae Park