vlan: partially enable SIOCSHWTSTAMP in container

[ Upstream commit 731b73dba3 ]

Setting timestamp filter was explicitly disabled on vlan devices in
containers because it might affect other processes on the host. But it's
absolutely legit in case when real device is in the same namespace.

Fixes: 873017af77 ("vlan: disable SIOCSHWTSTAMP in container")
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Vadim Fedorenko 2023-03-15 08:33:02 -07:00 committed by Greg Kroah-Hartman
parent 90faa5b8e6
commit 5ea05bf6ed

View file

@ -367,7 +367,7 @@ static int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
switch (cmd) {
case SIOCSHWTSTAMP:
if (!net_eq(dev_net(dev), &init_net))
if (!net_eq(dev_net(dev), dev_net(real_dev)))
break;
case SIOCGMIIPHY:
case SIOCGMIIREG: