From: Benjamin Tissoires <benjamin.tissoires@redhat.com>
To: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
Cc: Jiri Kosina <jikos@kernel.org>,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] HID: hid-logitech-hidpp: add NULL check on devm_kmemdup() return value
Date: Wed, 12 Jul 2017 09:40:35 +0200 [thread overview]
Message-ID: <20170712074035.GF22282@mail.corp.redhat.com> (raw)
In-Reply-To: <20170707051213.GA6074@embeddedgus>
On Jul 07 2017 or thereabouts, 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@embeddedor.com>
> ---
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
> 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;
> +
> num_battery_props = ARRAY_SIZE(hidpp_battery_props) - 2;
>
> if (hidpp->capabilities & HIDPP_CAPABILITY_BATTERY_MILEAGE)
> --
> 2.5.0
>
next prev parent reply other threads:[~2017-07-12 7:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-07 5:12 [PATCH] HID: hid-logitech-hidpp: add NULL check on devm_kmemdup() return value Gustavo A. R. Silva
2017-07-12 7:40 ` Benjamin Tissoires [this message]
2017-07-17 5:00 ` Gustavo A. R. Silva
2017-07-20 13:46 ` Jiri Kosina
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