[PATCH 31/38] leds: tca6507: remove invalid check

From: Andrzej Hajda
Date: Mon Sep 21 2015 - 09:41:29 EST


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", &reg);
- if (ret != 0 || reg < 0 || reg >= NUM_LEDS)
+ if (ret != 0 || reg >= NUM_LEDS)
continue;

tca_leds[reg] = led;
--
1.9.1

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