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Diffstat (limited to 'net/dsa/dsa2.c')
-rw-r--r--net/dsa/dsa2.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index b29262eee00b..e9911b18bdbf 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -170,7 +170,7 @@ void dsa_bridge_num_put(const struct net_device *bridge_dev, int bridge_num)
/* Check if the bridge is still in use, otherwise it is time
* to clean it up so we can reuse this bridge_num later.
*/
- if (!dsa_bridge_num_find(bridge_dev))
+ if (dsa_bridge_num_find(bridge_dev) < 0)
clear_bit(bridge_num, &dsa_fwd_offloading_bridges);
}
@@ -811,7 +811,9 @@ static int dsa_switch_setup_tag_protocol(struct dsa_switch *ds)
if (!dsa_is_cpu_port(ds, port))
continue;
+ rtnl_lock();
err = ds->ops->change_tag_protocol(ds, port, tag_ops->proto);
+ rtnl_unlock();
if (err) {
dev_err(ds->dev, "Unable to use tag protocol \"%s\": %pe\n",
tag_ops->name, ERR_PTR(err));
@@ -1372,12 +1374,15 @@ static int dsa_switch_parse_ports_of(struct dsa_switch *ds,
for_each_available_child_of_node(ports, port) {
err = of_property_read_u32(port, "reg", &reg);
- if (err)
+ if (err) {
+ of_node_put(port);
goto out_put_node;
+ }
if (reg >= ds->num_ports) {
dev_err(ds->dev, "port %pOF index %u exceeds num_ports (%zu)\n",
port, reg, ds->num_ports);
+ of_node_put(port);
err = -EINVAL;
goto out_put_node;
}
@@ -1385,8 +1390,10 @@ static int dsa_switch_parse_ports_of(struct dsa_switch *ds,
dp = dsa_to_port(ds, reg);
err = dsa_port_parse_of(dp, port);
- if (err)
+ if (err) {
+ of_node_put(port);
goto out_put_node;
+ }
}
out_put_node: