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[4.2.y-ckt,stable] Patch "ppp: release rtnl mutex when interface creation fails" has been added to the 4.2.y-ckt tree

Message ID 1458084406-22168-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa March 15, 2016, 11:26 p.m. UTC
This is a note to let you know that I have just added a patch titled

    ppp: release rtnl mutex when interface creation fails

to the linux-4.2.y-queue branch of the 4.2.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-4.2.y-queue

This patch is scheduled to be released in version 4.2.8-ckt6.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 4.2.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

---8<------------------------------------------------------------

From a52271f3a240917ee2ba4099b7f8ddeac643be2a Mon Sep 17 00:00:00 2001
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

commit 6faac63a6986f29ef39827f460edd3a5ba64ad5c upstream.

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: Kamal Mostafa <kamal@canonical.com>
---
 drivers/net/ppp/ppp_generic.c | 1 +
 1 file changed, 1 insertion(+)

--
2.7.0
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Patch

diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 3f3bda8..e82b43c 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -2790,6 +2790,7 @@  static struct ppp *ppp_create_interface(struct net *net, int unit,

 out2:
 	mutex_unlock(&pn->all_ppp_mutex);
+	rtnl_unlock();
 	free_netdev(dev);
 out1:
 	*retp = ret;