Liu Yuan wrote on 2011-04-07:
> From: Liu Yuan <tailai.ly@xxxxxxxxxx>
>
> It should check if strict_strtoul() succeeds.This patch fixes it.
>
> Signed-off-by: Liu Yuan <tailai.ly@xxxxxxxxxx>
Acked-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
> ---
> drivers/video/backlight/adp5520_bl.c | 4 +++-
> 1 files changed, 3 insertions(+), 1 deletions(-)
> diff --git a/drivers/video/backlight/adp5520_bl.c
> b/drivers/video/backlight/adp5520_bl.c index af31197..fdef632 100644 ---
> a/drivers/video/backlight/adp5520_bl.c +++
> b/drivers/video/backlight/adp5520_bl.c @@ -212,7 +212,9 @@ static
> ssize_t adp5520_bl_daylight_max_store(struct device *dev, {
> struct adp5520_bl *data = dev_get_drvdata(dev);
> - strict_strtoul(buf, 10, &data->cached_daylight_max);
> + if (strict_strtoul(buf, 10, &data->cached_daylight_max) < 0)
> + return -EINVAL;
> +
> return adp5520_store(dev, buf, count, ADP5520_DAYLIGHT_MAX); }
> static DEVICE_ATTR(daylight_max, 0664, adp5520_bl_daylight_max_show,
Greetings,
Michael
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