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authorBenjamin Coddington <bcodding@redhat.com>2024-03-07 17:41:18 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-04-03 16:32:18 +0300
commitb5f81b42d207412c99d6abeb7161d61acf476505 (patch)
treefcff7c2c6d8bd1984701116f7e77179c89f24979 /fs/nfs
parentcf54f66e1dd78990ec6b32177bca7e6ea2144a95 (diff)
downloadlinux-b5f81b42d207412c99d6abeb7161d61acf476505.tar.xz
NFS: Read unlock folio on nfs_page_create_from_folio() error
[ Upstream commit 11974eec839c167362af685aae5f5e1baaf979eb ] 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: 000dbe0bec05 ("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>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/read.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 7dc21a48e3e7..a142287d86f6 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -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;
}