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ppp: Destroy the mutex when cleanup

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[ Upstream commit f02b2320b27c16b644691267ee3b5c110846f49e ]

The mutex_destroy only makes sense when enable DEBUG_MUTEX. For the
good readbility, it's better to invoke it in exit func when the init
func invokes mutex_init.

Signed-off-by: Gao Feng <gfree.wind@vip.163.com>
Acked-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gao Feng 2017-10-31 18:25:37 +08:00 committed by Greg Kroah-Hartman
parent 3d213c4c0a
commit f7ee900a4f
1 changed files with 1 additions and 0 deletions
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drivers/net/ppp/ppp_generic.c
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@ -959,6 +959,7 @@ static __net_exit void ppp_exit_net(struct net *net)
unregister_netdevice_many(&list);
rtnl_unlock();
mutex_destroy(&pn->all_ppp_mutex);
idr_destroy(&pn->units_idr);
}