NFS: Read unlock folio on nfs_page_create_from_folio() error

[ Upstream commit 11974eec83 ]

The netfs conversion lost a folio_unlock() for the case where
nfs_page_create_from_folio() returns an error (usually -ENOMEM).  Restore
it.

Reported-by: David Jeffery <djeffery@redhat.com>
Cc: <stable@vger.kernel.org> # 6.4+
Fixes: 000dbe0bec ("NFS: Convert buffered read paths to use netfs when fscache is enabled")
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Acked-by: Dave Wysochanski <dwysocha@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Benjamin Coddington 2024-03-07 09:41:18 -05:00 committed by Greg Kroah-Hartman
parent 1daf52b5ff
commit 3ed19a2542

View File

@ -305,6 +305,8 @@ int nfs_read_add_folio(struct nfs_pageio_descriptor *pgio,
new = nfs_page_create_from_folio(ctx, folio, 0, aligned_len);
if (IS_ERR(new)) {
error = PTR_ERR(new);
if (nfs_netfs_folio_unlock(folio))
folio_unlock(folio);
goto out;
}