提交 3b080945 编写于 作者: A Axel Lin 提交者: Linus Torvalds

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: NAxel Lin <axel.lin@gmail.com>
Acked-by: NPhilippe Retornaz <philippe.retornaz@epfl.ch>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 a6d511e5
......@@ -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;
}
......
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