drivers/leds/leds-mc13783.c: fix off-by-one for checking num_leds
authorAxel Lin <axel.lin@gmail.com>
Tue, 10 Jan 2012 23:09:43 +0000 (15:09 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 11 Jan 2012 00:30:49 +0000 (16:30 -0800)
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

index c61e8c4..8bc4915 100644 (file)
@@ -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;
        }