diff options
| -rw-r--r-- | drivers/leds/leds-tlc591xx.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/leds/leds-tlc591xx.c b/drivers/leds/leds-tlc591xx.c index 5b9dfdf743ec..cb7bd1353f9f 100644 --- a/drivers/leds/leds-tlc591xx.c +++ b/drivers/leds/leds-tlc591xx.c @@ -148,16 +148,20 @@ static int tlc591xx_probe(struct i2c_client *client, const struct i2c_device_id *id) { - struct device_node *np = dev_of_node(&client->dev), *child; + struct device_node *np, *child; struct device *dev = &client->dev; const struct tlc591xx *tlc591xx; struct tlc591xx_priv *priv; int err, count, reg; - tlc591xx = device_get_match_data(dev); + np = dev_of_node(dev); if (!np) return -ENODEV; + tlc591xx = device_get_match_data(dev); + if (!tlc591xx) + return -ENODEV; + count = of_get_available_child_count(np); if (!count || count > tlc591xx->max_leds) return -EINVAL; |