| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 094/178] ppp: Destroy the mutex when cleanup | Date | Mon, 18 Dec 2017 16:48:50 +0100 |
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4.14-stable review patch. If anyone has any objections, please let me know.
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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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