vlan: partially enable SIOCSHWTSTAMP in container

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: 873017a ("vlan: disable SIOCSHWTSTAMP in container") Signed-off-by: Vadim Fedorenko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
torvalds · Mar 17, 2023 · 731b73d · 731b73d
1 parent e05c518
commit 731b73d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
@@ -365,7 +365,7 @@ 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;
 		fallthrough;
 	case SIOCGMIIPHY: