In ipv6_add_dev, when addrconf_sysctl_register fails, we do not clean up
the dev_snmp6 entry that we have already registered for this device.
Call snmp6_unregister_dev in this case.
Reported-by: Dmitry Vyukov <dvyu...@google.com>
Signed-off-by: Sabrina Dubroca <s...@queasysnail.net>
---
v2: we cannot call snmp6_unregister_dev from addrconf_core.c, this
breaks CONFIG_IPV6=m, instead do the clean up directly from
ipv6_add_dev
thanks Cong.
net/ipv6/addrconf.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 36b85bd05ac8..dd00828863a0 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -417,6 +417,7 @@ static struct inet6_dev *ipv6_add_dev(struct net_device
*dev)
if (err) {
ipv6_mc_destroy_dev(ndev);
del_timer(&ndev->regen_timer);
+ snmp6_unregister_dev(ndev);
goto err_release;
}
/* protected by rtnl_lock */
--
2.6.2
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