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authorMarek BehĂșn <marek.behun@nic.cz>2020-09-18 00:32:57 +0200
committerPavel Machek <pavel@ucw.cz>2020-09-26 21:56:39 +0200
commit2c67756254349d2b4a1af92c846e32f7e15fae89 (patch)
tree6c2344683d2a4d93ed9c9d8fee7708858a2a6f4b /drivers/leds
parent99a013c840a05083fd82d220685af7579238bfa8 (diff)
leds: various: fix OF node leaks
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 BehĂșn <marek.behun@nic.cz> Cc: Nikita Travkin <nikitos.tr@gmail.com> Cc: Milo Kim <milo.kim@ti.com> Cc: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz> Not-for-stable: untested, theoretical, insignificant leaks
Diffstat (limited to 'drivers/leds')
-rw-r--r--drivers/leds/leds-aw2013.c4
-rw-r--r--drivers/leds/leds-lp55xx-common.c8
-rw-r--r--drivers/leds/leds-turris-omnia.c4
3 files changed, 12 insertions, 4 deletions
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;
}