[PATCH 2/2] afs: fix the afs_dir_get_folio return value

[David Howells]

Christoph Hellwig <hch at lst.de> wrote:

> Keep returning NULL on failure instead of letting an ERR_PTR escape to
> callers that don't expect it.
> 
> Fixes: 66dabbb65d67 ("mm: return an ERR_PTR from __filemap_get_folio")
> Reported-by: Jan Kara <jack at suse.cz>
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Reviewed-by: David Howells <dhowells at redhat.com>
Tested-by: David Howells <dhowells at redhat.com>