4.4-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 @@ -942,6 +942,7 @@ 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); }