From 2c67756254349d2b4a1af92c846e32f7e15fae89 Mon Sep 17 00:00:00 2001 From: Marek Behún Date: Fri, 18 Sep 2020 00:32:57 +0200 Subject: leds: various: fix OF node leaks MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix OF node leaks by calling of_node_put in for_each_available_child_of_node when the cycle breaks or returns. Signed-off-by: Marek Behún Cc: Nikita Travkin Cc: Milo Kim Cc: Dan Murphy Signed-off-by: Pavel Machek Not-for-stable: untested, theoretical, insignificant leaks --- drivers/leds/leds-aw2013.c | 4 +++- drivers/leds/leds-lp55xx-common.c | 8 ++++++-- drivers/leds/leds-turris-omnia.c | 4 +++- 3 files changed, 12 insertions(+), 4 deletions(-) (limited to 'drivers/leds') diff --git a/drivers/leds/leds-aw2013.c b/drivers/leds/leds-aw2013.c index 9df7de042bca..927c5ba32592 100644 --- a/drivers/leds/leds-aw2013.c +++ b/drivers/leds/leds-aw2013.c @@ -305,8 +305,10 @@ static int aw2013_probe_dt(struct aw2013 *chip) ret = devm_led_classdev_register_ext(&chip->client->dev, &led->cdev, &init_data); - if (ret < 0) + if (ret < 0) { + of_node_put(child); return ret; + } i++; } diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c index 50f7f5b87463..81de1346bf5d 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_available_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_available_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++; } diff --git a/drivers/leds/leds-turris-omnia.c b/drivers/leds/leds-turris-omnia.c index ea7da8517220..117976cf75c8 100644 --- a/drivers/leds/leds-turris-omnia.c +++ b/drivers/leds/leds-turris-omnia.c @@ -236,8 +236,10 @@ static int omnia_leds_probe(struct i2c_client *client, led = &leds->leds[0]; for_each_available_child_of_node(np, child) { ret = omnia_led_register(client, led, child); - if (ret < 0) + if (ret < 0) { + of_node_put(child); return ret; + } led += ret; } -- cgit v1.2.3