bridge: fix MAC address override on config reload

When no MAC address option is given, the MAC address of
bst->primary_port is used to override the bridge device address.
When the config changes and a new MAC address is provided in the config,
bridge_reset_primary needs to stop overriding it

Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 3 insertions, 0 deletions

diff --git a/bridge.c b/bridge.c
index 30fd58d..ba1ce5d 100644
--- a/bridge.c
+++ b/bridge.c
@@ -655,6 +655,9 @@ bridge_reload(struct device *dev, struct blob_attr *attr)
 	blobmsg_parse(bridge_attrs, __BRIDGE_ATTR_MAX, tb_br,
 		blob_data(attr), blob_len(attr));
 
+	if (tb_dev[DEV_ATTR_MACADDR])
+		bst->primary_port = NULL;
+
 	bst->ifnames = tb_br[BRIDGE_ATTR_IFNAME];
 	device_init_settings(dev, tb_dev);
 	bridge_apply_settings(bst, tb_br);