[PATCH] iio: versal-sysmon: fix for_each_child.cocci warnings

[Julia Lawall]

From: kernel test robot <lkp@xxxxxxxxx>

For_each_child_of_node" should have of_node_put() before return.

Generated by: scripts/coccinelle/iterators/for_each_child.cocci

CC: Anand Ashok Dumbre <anand.ashok.dumbre@xxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Julia Lawall <julia.lawall@xxxxxxxx>

---

tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.15
head:   966124532656bc95d781abf57531e4cd4f962237
commit: 1459646ab280aa68c3c4fa1d9552ea21f15d7a2d [543/923] iio: versal-sysmon: add driver for Versal Sysmon
:::::: branch date: 3 days ago
:::::: commit date: 12 days ago

Please take the patch only if it's a positive warning. Thanks!

 versal-sysmon.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

--- a/drivers/iio/adc/versal-sysmon.c
+++ b/drivers/iio/adc/versal-sysmon.c
@@ -875,12 +875,16 @@ static int sysmon_parse_dt(struct iio_de

 	for_each_child_of_node(np, child_node) {
 		ret = of_property_read_u32(child_node, "reg", &reg);
-		if (ret < 0)
+		if (ret < 0) {
+			of_node_put(child_node);
 			return ret;
+		}

 		ret = of_property_read_string(child_node, "xlnx,name", &name);
-		if (ret < 0)
+		if (ret < 0) {
+			of_node_put(child_node);
 			return ret;
+		}

 		sysmon_channels[i].type = IIO_VOLTAGE;
 		sysmon_channels[i].indexed = 1;