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| /openbmc/linux/net/bridge/ |
| H A D | br_vlan.c | 5454f5c2 Mon Feb 14 17:36:46 CST 2022 Vladimir Oltean <vladimir.oltean@nxp.com> net: bridge: vlan: check for errors from __vlan_del in __vlan_flush
If the following call path returns an error from switchdev:
nbp_vlan_flush
-> __vlan_del
-> __vlan_vid_del
-> br_switchdev_port_vlan_del
-> __vlan_group_free
-> WARN_ON(!list_empty(&vg->vlan_list));
then the deletion of the net_bridge_vlan is silently halted, which will
trigger the WARN_ON from __vlan_group_free().
The WARN_ON is rather unhelpful, because nothing about the source of the
error is printed. Add a print to catch errors from __vlan_del.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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