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Commit 3b080945 authored by Axel Lin's avatar Axel Lin Committed by Linus Torvalds
Browse files

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: default avatarAxel Lin <axel.lin@gmail.com>
Acked-by: default avatarPhilippe Retornaz <philippe.retornaz@epfl.ch>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent a6d511e5

drivers/leds/leds-mc13783.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

	}