From 3b080945aa7670354364c8f9e1a3a07cbb97beb3 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Tue, 10 Jan 2012 15:09:43 -0800
Subject: [PATCH] drivers/leds/leds-mc13783.c: fix off-by-one for checking
num_leds
The LED id begins from 0. Thus the maximum number of leds should be
MC13783_LED_MAX + 1.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Philippe Retornaz <philippe.retornaz@epfl.ch>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
drivers/leds/leds-mc13783.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/leds/leds-mc13783.c b/drivers/leds/leds-mc13783.c
index c61e8c4f5469..8bc491541550 100644
--- a/drivers/leds/leds-mc13783.c
+++ b/drivers/leds/leds-mc13783.c
@@ -275,7 +275,7 @@ static int __devinit mc13783_led_probe(struct platform_device *pdev)
return -ENODEV;
}
- if (pdata->num_leds < 1 || pdata->num_leds > MC13783_LED_MAX) {
+ if (pdata->num_leds < 1 || pdata->num_leds > (MC13783_LED_MAX + 1)) {
dev_err(&pdev->dev, "Invalid led count %d\n", pdata->num_leds);
return -EINVAL;
}