unsigned value cannot be lesser than zero. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576 Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx> --- drivers/leds/leds-tca6507.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/leds/leds-tca6507.c b/drivers/leds/leds-tca6507.c index edbecc4..93564f6 100644 --- a/drivers/leds/leds-tca6507.c +++ b/drivers/leds/leds-tca6507.c @@ -713,7 +713,7 @@ tca6507_led_dt_init(struct i2c_client *client) if (of_property_match_string(child, "compatible", "gpio") >= 0) led.flags |= TCA6507_MAKE_GPIO; ret = of_property_read_u32(child, "reg", ®); - if (ret != 0 || reg < 0 || reg >= NUM_LEDS) + if (ret != 0 || reg >= NUM_LEDS) continue; tca_leds[reg] = led; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-leds" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html