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* [PATCH] leds: lp55xx: fix device node iterator memory leaks
@ 2020-09-25 22:59 Tobias Jordan
  2020-09-25 23:16 ` Marek Behun
  0 siblings, 1 reply; 2+ messages in thread
From: Tobias Jordan @ 2020-09-25 22:59 UTC (permalink / raw)
  To: linux-leds, linux-kernel; +Cc: Pavel Machek, Dan Murphy, Jacek Anaszewski

Fix error paths in for_each_child_of_node loops that were missing an
of_node_put call.

Fixes: 92a81562e695 ("leds: lp55xx: Add multicolor framework support to
lp55xx")
Signed-off-by: Tobias Jordan <kernel@cdqe.de>
---
 drivers/leds/leds-lp55xx-common.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c
index 56210f4ad919..f8b55cfd21ef 100644
--- a/drivers/leds/leds-lp55xx-common.c
+++ b/drivers/leds/leds-lp55xx-common.c
@@ -614,8 +614,10 @@ static int lp55xx_parse_multi_led(struct device_node *np,
 	for_each_child_of_node(np, child) {
 		ret = lp55xx_parse_multi_led_child(child, cfg, child_number,
 						   num_colors);
-		if (ret)
+		if (ret) {
+			of_node_put(child);
 			return ret;
+		}
 		num_colors++;
 	}
 
@@ -681,8 +683,10 @@ struct lp55xx_platform_data *lp55xx_of_populate_pdata(struct device *dev,
 
 	for_each_child_of_node(np, child) {
 		ret = lp55xx_parse_logical_led(child, cfg, i);
-		if (ret)
+		if (ret) {
+			of_node_put(child);
 			return ERR_PTR(-EINVAL);
+		}
 		i++;
 	}
 
-- 
2.20.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] leds: lp55xx: fix device node iterator memory leaks
  2020-09-25 22:59 [PATCH] leds: lp55xx: fix device node iterator memory leaks Tobias Jordan
@ 2020-09-25 23:16 ` Marek Behun
  0 siblings, 0 replies; 2+ messages in thread
From: Marek Behun @ 2020-09-25 23:16 UTC (permalink / raw)
  To: Tobias Jordan
  Cc: linux-leds, linux-kernel, Pavel Machek, Dan Murphy,
	Jacek Anaszewski

On Sat, 26 Sep 2020 00:59:05 +0200
Tobias Jordan <kernel@cdqe.de> wrote:

> Fix error paths in for_each_child_of_node loops that were missing an
> of_node_put call.
> 
> Fixes: 92a81562e695 ("leds: lp55xx: Add multicolor framework support to
> lp55xx")
> Signed-off-by: Tobias Jordan <kernel@cdqe.de>
> ---
>  drivers/leds/leds-lp55xx-common.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c
> index 56210f4ad919..f8b55cfd21ef 100644
> --- a/drivers/leds/leds-lp55xx-common.c
> +++ b/drivers/leds/leds-lp55xx-common.c
> @@ -614,8 +614,10 @@ static int lp55xx_parse_multi_led(struct device_node *np,
>  	for_each_child_of_node(np, child) {
>  		ret = lp55xx_parse_multi_led_child(child, cfg, child_number,
>  						   num_colors);
> -		if (ret)
> +		if (ret) {
> +			of_node_put(child);
>  			return ret;
> +		}
>  		num_colors++;
>  	}
>  
> @@ -681,8 +683,10 @@ struct lp55xx_platform_data *lp55xx_of_populate_pdata(struct device *dev,
>  
>  	for_each_child_of_node(np, child) {
>  		ret = lp55xx_parse_logical_led(child, cfg, i);
> -		if (ret)
> +		if (ret) {
> +			of_node_put(child);
>  			return ERR_PTR(-EINVAL);
> +		}
>  		i++;
>  	}
>  

This is already patched

^ permalink raw reply	[flat|nested] 2+ messages in thread

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