From: Weston Andros Adamson <dros@monkey.org>
Date: Tue, 1 Aug 2017 20:25:01 +0000 (-0400)
Subject: nfs/flexfiles: fix leak of nfs4_ff_ds_version arrays
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=1feb26162bee7b2f110facfec71b5c7bdbc7d14d;p=openwrt%2Fstaging%2Fblogic.git

nfs/flexfiles: fix leak of nfs4_ff_ds_version arrays

The client was freeing the nfs4_ff_layout_ds, but not the contained
nfs4_ff_ds_version array.

Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
Cc: stable@vger.kernel.org # v4.0+
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
---

diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index 6df7a0cf5660..f32c58bbe556 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -32,6 +32,7 @@ void nfs4_ff_layout_free_deviceid(struct nfs4_ff_layout_ds *mirror_ds)
 {
 	nfs4_print_deviceid(&mirror_ds->id_node.deviceid);
 	nfs4_pnfs_ds_put(mirror_ds->ds);
+	kfree(mirror_ds->ds_versions);
 	kfree_rcu(mirror_ds, id_node.rcu);
 }