This is a note to let you know that I've just added the patch titled
led: qcom-lpg: Fix resource leaks in for_each_available_child_of_node() loops
to the 6.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
led-qcom-lpg-fix-resource-leaks-in-for_each_availabl.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit a7a91ea8559a73d1d26794baa5fae34eea5a97a9
Author: Lu Hongfei <luhongfei@xxxxxxxx>
Date: Thu May 25 19:17:03 2023 +0800
led: qcom-lpg: Fix resource leaks in for_each_available_child_of_node() loops
[ Upstream commit 8f38f8fa7261819eb7d4fb369dc3bfab72259033 ]
Ensure child node references are decremented properly in the error path.
Signed-off-by: Lu Hongfei <luhongfei@xxxxxxxx>
Link: https://lore.kernel.org/r/20230525111705.3055-1-luhongfei@xxxxxxxx
Signed-off-by: Lee Jones <lee@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/leds/rgb/leds-qcom-lpg.c b/drivers/leds/rgb/leds-qcom-lpg.c
index 1c849814a4917..212df2e3d3502 100644
--- a/drivers/leds/rgb/leds-qcom-lpg.c
+++ b/drivers/leds/rgb/leds-qcom-lpg.c
@@ -1173,8 +1173,10 @@ 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;
@@ -1352,8 +1354,10 @@ 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++)
