Patch "nfs/flexfiles: fix leak of nfs4_ff_ds_version arrays" has been added to the 4.9-stable tree

Patch "nfs/flexfiles: fix leak of nfs4_ff_ds_version arrays" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    nfs/flexfiles: fix leak of nfs4_ff_ds_version arrays

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     nfs-flexfiles-fix-leak-of-nfs4_ff_ds_version-arrays.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 1feb26162bee7b2f110facfec71b5c7bdbc7d14d Mon Sep 17 00:00:00 2001
From: Weston Andros Adamson <dros@monkey.org>
Date: Tue, 1 Aug 2017 16:25:01 -0400
Subject: nfs/flexfiles: fix leak of nfs4_ff_ds_version arrays

From: Weston Andros Adamson <dros@monkey.org>

commit 1feb26162bee7b2f110facfec71b5c7bdbc7d14d upstream.

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>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/nfs/flexfilelayout/flexfilelayoutdev.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -30,6 +30,7 @@ void nfs4_ff_layout_free_deviceid(struct
 {
 	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);
 }
 


Patches currently in stable-queue which might be from dros@monkey.org are

queue-4.9/nfs-flexfiles-fix-leak-of-nfs4_ff_ds_version-arrays.patch