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Subject[PATCH] net: hns: Add missing fwnode_handle_put in hns_mac_init
Date
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
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