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ppp: release rtnl mutex when interface creation fails

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[ 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>
This commit is contained in:
Guillaume Nault 2016-03-07 19:36:44 +01:00 committed by Greg Kroah-Hartman
parent 36b9c7cc09
commit cd8101d8ec
1 changed files with 1 additions and 0 deletions
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drivers/net/ppp/ppp_generic.c
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@ -2803,6 +2803,7 @@ 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;