Patch "ppp: release rtnl mutex when interface creation fails" has been added to the 4.4-stable tree

Patch "ppp: release rtnl mutex when interface creation fails" has been added to the 4.4-stable tree

[gregkh]

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

    ppp: release rtnl mutex when interface creation fails

to the 4.4-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:
     ppp-release-rtnl-mutex-when-interface-creation-fails.patch
and it can be found in the queue-4.4 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 foo@baz Sat Apr 16 10:02:53 PDT 2016
From: Guillaume Nault <g.nault@alphalink.fr>
Date: Mon, 7 Mar 2016 19:36:44 +0100
Subject: ppp: release rtnl mutex when interface creation fails

From: Guillaume Nault <g.nault@alphalink.fr>

[ Upstream commit 6faac63a6986f29ef39827f460edd3a5ba64ad5c ]

Add missing rtnl_unlock() in the error path of ppp_create_interface().

Fixes: 58a89ecaca53 ("ppp: fix lockdep splat in ppp_dev_uninit()")
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/ppp/ppp_generic.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -2803,6 +2803,7 @@ static struct ppp *ppp_create_interface(
 
 out2:
 	mutex_unlock(&pn->all_ppp_mutex);
+	rtnl_unlock();
 	free_netdev(dev);
 out1:
 	*retp = ret;


Patches currently in stable-queue which might be from g.nault@alphalink.fr are

queue-4.4/ppp-release-rtnl-mutex-when-interface-creation-fails.patch
queue-4.4/ppp-take-reference-on-channels-netns.patch
queue-4.4/ppp-ensure-file-private_data-can-t-be-overridden.patch