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| author | Andy Shevchenko <andy.shevchenko@gmail.com> | 2021-05-10 12:50:32 +0300 |
|---|---|---|
| committer | Pavel Machek <pavel@ucw.cz> | 2021-05-28 12:00:13 +0200 |
| commit | 2f39f68cec0a19c0371c1e7cb149159810e87f64 (patch) | |
| tree | fdc69ec3acd8841aaaca429086603341f938c4cc /drivers/leds | |
| parent | 99be74f61cb0292b518f5e6d7e5c6611555c2ec7 (diff) | |
| download | linux-2f39f68cec0a19c0371c1e7cb149159810e87f64.tar.bz2 | |
leds: lm3532: Make error handling more robust
It's easy to miss necessary clean up, e.g. firmware node reference counting,
during error path in ->probe(). Make it more robust by moving to a single
point of return.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-lm3532.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/leds/leds-lm3532.c b/drivers/leds/leds-lm3532.c index 0bf25bdde02f..beb53040e09e 100644 --- a/drivers/leds/leds-lm3532.c +++ b/drivers/leds/leds-lm3532.c @@ -586,7 +586,6 @@ static int lm3532_parse_node(struct lm3532_data *priv) ret = fwnode_property_read_u32(child, "reg", &control_bank); if (ret) { dev_err(&priv->client->dev, "reg property missing\n"); - fwnode_handle_put(child); goto child_out; } @@ -601,7 +600,6 @@ static int lm3532_parse_node(struct lm3532_data *priv) &led->mode); if (ret) { dev_err(&priv->client->dev, "ti,led-mode property missing\n"); - fwnode_handle_put(child); goto child_out; } @@ -636,7 +634,6 @@ static int lm3532_parse_node(struct lm3532_data *priv) led->num_leds); if (ret) { dev_err(&priv->client->dev, "led-sources property missing\n"); - fwnode_handle_put(child); goto child_out; } @@ -647,7 +644,6 @@ static int lm3532_parse_node(struct lm3532_data *priv) if (ret) { dev_err(&priv->client->dev, "led register err: %d\n", ret); - fwnode_handle_put(child); goto child_out; } @@ -655,14 +651,15 @@ static int lm3532_parse_node(struct lm3532_data *priv) if (ret) { dev_err(&priv->client->dev, "register init err: %d\n", ret); - fwnode_handle_put(child); goto child_out; } i++; } + return 0; child_out: + fwnode_handle_put(child); return ret; } |