The iterator for_each_available_child_of_node() increments the refcount
of the child node it is processing. Release such a reference when the
loop needs to breaks due to en error during its execution.
Issue identified using for_each_child.cocci Coccinelle semantic patch.
Signed-off-by: Deepak R Varma <drv@xxxxxxxxx>
---
Please note: The proposed change is compile tested only. I do not have the
necessary hardware to perform additional testing. Please suggest if there is an
alternate means available to further test this change.
drivers/leds/rgb/leds-qcom-lpg.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/leds/rgb/leds-qcom-lpg.c b/drivers/leds/rgb/leds-qcom-lpg.c
index 67f48f222109..993fb9cf0204 100644
--- a/drivers/leds/rgb/leds-qcom-lpg.c
+++ b/drivers/leds/rgb/leds-qcom-lpg.c
@@ -1112,8 +1112,10 @@ static int lpg_add_led(struct lpg *lpg, struct device_node *np)
i = 0;
for_each_available_child_of_node(np, child) {
ret = lpg_parse_channel(lpg, child, &led->channels[i]);
- if (ret < 0)
+ if (ret < 0) {
+ of_node_put(child);
return ret;
+ }
info[i].color_index = led->channels[i]->color;
info[i].intensity = 0;
@@ -1291,8 +1293,10 @@ static int lpg_probe(struct platform_device *pdev)
for_each_available_child_of_node(pdev->dev.of_node, np) {
ret = lpg_add_led(lpg, np);
- if (ret)
+ if (ret) {
+ of_node_put(np);
return ret;
+ }
}
for (i = 0; i < lpg->num_channels; i++)
--
2.34.1
