From: Vasily Averin <vvs@virtuozzo.com>
Date: Sun, 12 Nov 2017 19:33:22 +0000 (+0300)
Subject: ppp: exit_net cleanup checks added
X-Git-Tag: v5.15~10012^2~42
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e6675000f9a404f7651724c0b2e2e71f7247d3a1;p=platform%2Fkernel%2Flinux-starfive.git

ppp: exit_net cleanup checks added

Be sure that lists initialized in net_init hook were return
to initial state.

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 44891335f9af..d8e5747ff4e3 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -962,6 +962,8 @@ static __net_exit void ppp_exit_net(struct net *net)
 
 	mutex_destroy(&pn->all_ppp_mutex);
 	idr_destroy(&pn->units_idr);
+	WARN_ON_ONCE(!list_empty(&pn->all_channels));
+	WARN_ON_ONCE(!list_empty(&pn->new_channels));
 }
 
 static struct pernet_operations ppp_net_ops = {