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Date: Thu, 4 Jan 2024 07:25:22 +0100
From: Christoph Hellwig <hch@lst.de>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>,
	Chandan Babu R <chandan.babu@oracle.com>,
	Hugh Dickins <hughd@google.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-xfs@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 11/15] xfs: use shmem_get_folio in xfile_get_page
Message-ID: <20240104062522.GD29215@lst.de>
References: <20240103084126.513354-1-hch@lst.de> <20240103084126.513354-12-hch@lst.de> <20240104001251.GE361584@frogsfrogsfrogs>
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User-Agent: Mutt/1.5.17 (2007-11-01)

On Wed, Jan 03, 2024 at 04:12:51PM -0800, Darrick J. Wong wrote:
> > +	if (error)
> > +		return error;
> > +
> > +	page = folio_file_page(folio, pos >> PAGE_SHIFT);
> > +	if (PageHWPoison(page)) {
> > +		folio_put(folio);
> 
> We need to unlock the folio here, right?

On the error return?  Yes.