* [PATCH] hwmon: (pmbus) Fix child node reference leak on early return
@ 2025-10-12 18:12 Erick Karanja
2025-10-12 18:21 ` Guenter Roeck
0 siblings, 1 reply; 2+ messages in thread
From: Erick Karanja @ 2025-10-12 18:12 UTC (permalink / raw)
To: linux
Cc: grantpeltier93, chiang.brian, gregkh, peterz, linux-hwmon,
linux-kernel, Erick Karanja
In the case of an early return, the reference to the
child node needs to be release.
Use for_each_child_of_node_scoped to fix the issue.
Fixes: 3996187f80a0e ("hwmon: (pmbus/isl68137) add support for voltage divider on Vout")
Signed-off-by: Erick Karanja <karanja99erick@gmail.com>
---
drivers/hwmon/pmbus/isl68137.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/hwmon/pmbus/isl68137.c b/drivers/hwmon/pmbus/isl68137.c
index 52cf62e45a86..6bba9b50c51b 100644
--- a/drivers/hwmon/pmbus/isl68137.c
+++ b/drivers/hwmon/pmbus/isl68137.c
@@ -336,10 +336,9 @@ static int isl68137_probe_from_dt(struct device *dev,
struct isl68137_data *data)
{
const struct device_node *np = dev->of_node;
- struct device_node *child;
int err;
- for_each_child_of_node(np, child) {
+ for_each_child_of_node_scoped(np, child) {
if (strcmp(child->name, "channel"))
continue;
--
2.43.0
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] hwmon: (pmbus) Fix child node reference leak on early return
2025-10-12 18:12 [PATCH] hwmon: (pmbus) Fix child node reference leak on early return Erick Karanja
@ 2025-10-12 18:21 ` Guenter Roeck
0 siblings, 0 replies; 2+ messages in thread
From: Guenter Roeck @ 2025-10-12 18:21 UTC (permalink / raw)
To: Erick Karanja
Cc: grantpeltier93, chiang.brian, gregkh, peterz, linux-hwmon, linux-kernel
On Sun, Oct 12, 2025 at 09:12:49PM +0300, Erick Karanja wrote:
> In the case of an early return, the reference to the
> child node needs to be release.
>
> Use for_each_child_of_node_scoped to fix the issue.
>
> Fixes: 3996187f80a0e ("hwmon: (pmbus/isl68137) add support for voltage divider on Vout")
> Signed-off-by: Erick Karanja <karanja99erick@gmail.com>
Applied.
Thanks,
Guenter
^ permalink raw reply [flat|nested] 2+ messages in thread
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2025-10-12 18:12 [PATCH] hwmon: (pmbus) Fix child node reference leak on early return Erick Karanja
2025-10-12 18:21 ` Guenter Roeck
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