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Subject[PATCH 4.14 094/178] ppp: Destroy the mutex when cleanup
Date
4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Gao Feng <gfree.wind@vip.163.com>


[ 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>
---
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
@@ -959,6 +959,7 @@ static __net_exit void ppp_exit_net(stru
unregister_netdevice_many(&list);
rtnl_unlock();

+ mutex_destroy(&pn->all_ppp_mutex);
idr_destroy(&pn->units_idr);
}


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