In one of the error paths of the device_for_each_child_node() loop
in hns_mac_init, add missing call to fwnode_handle_put.

Signed-off-by: Peng Wu <wupeng58@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
index 7edf8569514c..928d934cb21a 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
@@ -1065,19 +1065,23 @@ int hns_mac_init(struct dsaf_device *dsaf_dev)
 	device_for_each_child_node(dsaf_dev->dev, child) {
 		ret = fwnode_property_read_u32(child, "reg", &port_id);
 		if (ret) {
+			fwnode_handle_put(child);
 			dev_err(dsaf_dev->dev,
 				"get reg fail, ret=%d!\n", ret);
 			return ret;
 		}
 		if (port_id >= max_port_num) {
+			fwnode_handle_put(child);
 			dev_err(dsaf_dev->dev,
 				"reg(%u) out of range!\n", port_id);
 			return -EINVAL;
 		}
 		mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
 				      GFP_KERNEL);
-		if (!mac_cb)
+		if (!mac_cb) {
+			fwnode_handle_put(child);
 			return -ENOMEM;
+		}
 		mac_cb->fw_port = child;
 		mac_cb->mac_id = (u8)port_id;
 		dsaf_dev->mac_cb[port_id] = mac_cb;
-- 
2.17.1

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@davemloft.net>:

On Thu, 21 Apr 2022 05:53:44 +0000 you wrote:
> In one of the error paths of the device_for_each_child_node() loop
> in hns_mac_init, add missing call to fwnode_handle_put.
> 
> Signed-off-by: Peng Wu <wupeng58@huawei.com>
> ---
>  drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)

Here is the summary with links:
  - net: hns: Add missing fwnode_handle_put in hns_mac_init
    https://git.kernel.org/netdev/net/c/e85f8a9f1625

You are awesome, thank you!
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