Re: [PATCH] HID: hid-logitech-hidpp: add NULL check on devm_kmemdup() return value

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On Fri, 7 Jul 2017, Gustavo A. R. Silva wrote:

> Check return value from call to devm_kmemdup()
> in order to prevent a NULL pointer dereference.
> 
> Signed-off-by: Gustavo A. R. Silva <garsilva@xxxxxxxxxxxxxx>
> ---
>  drivers/hid/hid-logitech-hidpp.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
> index 41b3946..501e16a 100644
> --- a/drivers/hid/hid-logitech-hidpp.c
> +++ b/drivers/hid/hid-logitech-hidpp.c
> @@ -2732,6 +2732,9 @@ static int hidpp_initialize_battery(struct hidpp_device *hidpp)
>  				     hidpp_battery_props,
>  				     sizeof(hidpp_battery_props),
>  				     GFP_KERNEL);
> +	if (!battery_props)
> +		return -ENOMEM;
> +

Applied to for-4.13/upstream-fixes, thanks.

-- 
Jiri Kosina
SUSE Labs

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