Re: [PATCH v1] fs: proc: Fix error checking for d_hash_and_lookup()

[Al Viro <viro@xxxxxxxxxxxxxxxxxx>]

On Mon, Aug 26, 2024 at 05:08:02PM +0800, Yan Zhen wrote:
> The d_hash_and_lookup() function returns either an error pointer or NULL.
> 
> It might be more appropriate to check error using IS_ERR_OR_NULL().

Not for procfs it doesn't.  Please, don't use that shite.