Commit 4c1eff22 authored Oct 31, 2017 by Gao Feng Committed by Greg Kroah-Hartman Dec 20, 2017

ppp: Destroy the mutex when cleanup




[ 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>

parent 069848c7

drivers/net/ppp/ppp_generic.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -916,6 +916,7 @@ static __net_exit void ppp_exit_net(struct net *net)
		{
		struct ppp_net *pn = net_generic(net, ppp_net_id);

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