diff options
| -rw-r--r-- | drivers/leds/leds-st1202.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/leds/leds-st1202.c b/drivers/leds/leds-st1202.c index 2ecd36aae336..168df5ecf27b 100644 --- a/drivers/leds/leds-st1202.c +++ b/drivers/leds/leds-st1202.c @@ -279,13 +279,19 @@ static int st1202_dt_init(struct st1202_chip *chip) { struct device *dev = &chip->client->dev; struct st1202_led *led; - int err, reg; + int err; + u32 reg; for_each_available_child_of_node_scoped(dev_of_node(dev), child) { err = of_property_read_u32(child, "reg", ®); if (err) return dev_err_probe(dev, err, "Invalid register\n"); + if (reg >= ST1202_MAX_LEDS) + return dev_err_probe(dev, -EINVAL, + "LED reg %u out of range [0, %d]\n", + reg, ST1202_MAX_LEDS - 1); + led = &chip->leds[reg]; led->is_active = true; led->fwnode = of_fwnode_handle(child); |