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Mon, 02 Sep 2024 07:28:10 -0700 (PDT) Sender: Guenter Roeck Date: Mon, 2 Sep 2024 07:28:09 -0700 From: Guenter Roeck To: Armin Wolf Cc: james@equiv.tech, jlee@suse.com, corentin.chary@gmail.com, luke@ljones.dev, matan@svgalib.org, coproscefalo@gmail.com, hdegoede@redhat.com, ilpo.jarvinen@linux.intel.com, jdelvare@suse.com, rafael@kernel.org, lenb@kernel.org, platform-driver-x86@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/5] hwmon: (hp-wmi-sensors) Check if WMI event data exists Message-ID: References: <20240901031055.3030-1-W_Armin@gmx.de> <20240901031055.3030-2-W_Armin@gmx.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20240901031055.3030-2-W_Armin@gmx.de> On Sun, Sep 01, 2024 at 05:10:51AM +0200, Armin Wolf wrote: > The BIOS can choose to return no event data in response to a > WMI event, so the ACPI object passed to the WMI notify handler > can be NULL. > > Check for such a situation and ignore the event in such a case. > > Fixes: 23902f98f8d4 ("hwmon: add HP WMI Sensors driver") > Signed-off-by: Armin Wolf > Reviewed-by: Ilpo Järvinen Applied. Thanks, Guenter