[PATCH 5.10 48/70] net: cpsw: add missing of_node_put() in cpsw_probe_dt()

Greg Kroah-Hartman
2022-05-10T13:55:50Z

From: Yang Yingliang <yangyingliang@huawei.com>

commit 95098d5ac2551769807031444e55a0da5d4f0952 upstream.

'tmp_node' need be put before returning from cpsw_probe_dt(),
so add missing of_node_put() in error path.

Fixes: ed3525eda4c4 ("net: ethernet: ti: introduce cpsw switchdev based driver part 1 - dual-emac")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/ti/cpsw_new.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/ti/cpsw_new.c
+++ b/drivers/net/ethernet/ti/cpsw_new.c
@@ -1255,8 +1255,10 @@ static int cpsw_probe_dt(struct cpsw_com
data->slave_data = devm_kcalloc(dev, CPSW_SLAVE_PORTS_NUM,
sizeof(struct cpsw_slave_data),
GFP_KERNEL);
- if (!data->slave_data)
+ if (!data->slave_data) {
+ of_node_put(tmp_node);
return -ENOMEM;
+ }

/* Populate all the child nodes here...
*/
@@ -1353,6 +1355,7 @@ static int cpsw_probe_dt(struct cpsw_com

err_node_put:
of_node_put(port_np);
+ of_node_put(tmp_node);
return ret;
}