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[108.228.232.20]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2f8862d3047sm10069960eec.10.2026.05.09.21.25.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 09 May 2026 21:25:52 -0700 (PDT) From: "Derek J. Clark" To: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Hans de Goede Cc: Mark Pearson , Armin Wolf , Jonathan Corbet , Rong Zhang , Kurt Borja , "Derek J . Clark" , "Pierre-Loup A . Griffais" , =?UTF-8?q?N=C3=ADcolas=20F=20=2E=20R=20=2E=20A=20=2E=20Prado?= , marshall@shzj.cc, hyacinth@shzj.cc, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH v12 04/16] platform/x86: lenovo-wmi-other: Zero initialize WMI arguments Date: Sun, 10 May 2026 04:25:34 +0000 Message-ID: <20260510042546.436874-5-derekjohn.clark@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260510042546.436874-1-derekjohn.clark@gmail.com> References: <20260510042546.436874-1-derekjohn.clark@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Adds explicit initialization of wmi_method_args_32 declarations with zero values to prevent uninitialized data from being sent to the device BIOS when passed. No functional change intended. Reviewed-by: Mark Pearson Fixes: 22024ac5366f ("platform/x86: Add Lenovo Gamezone WMI Driver") Fixes: edc4b183b794 ("platform/x86: Add Lenovo Other Mode WMI Driver") Reported-by: Rong Zhang Closes: https://lore.kernel.org/platform-driver-x86/95c7e7b539dd0af41189c754fcd35cec5b6fe182.camel@rong.moe/ Cc: stable@vger.kernel.org Reviewed-by: Rong Zhang Tested-by: Rong Zhang Signed-off-by: Derek J. Clark --- v12: Fix formatting of commit message. v7: - Include lwmi_gz_profile_set() fix as well. --- drivers/platform/x86/lenovo/wmi-gamezone.c | 2 +- drivers/platform/x86/lenovo/wmi-other.c | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/platform/x86/lenovo/wmi-gamezone.c b/drivers/platform/x86/lenovo/wmi-gamezone.c index 381836d29a96..ca559e6c031d 100644 --- a/drivers/platform/x86/lenovo/wmi-gamezone.c +++ b/drivers/platform/x86/lenovo/wmi-gamezone.c @@ -203,7 +203,7 @@ static int lwmi_gz_profile_set(struct device *dev, enum platform_profile_option profile) { struct lwmi_gz_priv *priv = dev_get_drvdata(dev); - struct wmi_method_args_32 args; + struct wmi_method_args_32 args = {}; enum thermal_mode mode; int ret; diff --git a/drivers/platform/x86/lenovo/wmi-other.c b/drivers/platform/x86/lenovo/wmi-other.c index a6be3463341c..1e06b894cfcc 100644 --- a/drivers/platform/x86/lenovo/wmi-other.c +++ b/drivers/platform/x86/lenovo/wmi-other.c @@ -166,7 +166,7 @@ MODULE_PARM_DESC(relax_fan_constraint, */ static int lwmi_om_fan_get_set(struct lwmi_om_priv *priv, int channel, u32 *val, bool set) { - struct wmi_method_args_32 args; + struct wmi_method_args_32 args = {}; u32 method_id, retval; int err; @@ -773,7 +773,7 @@ static ssize_t attr_current_value_store(struct kobject *kobj, struct tunable_attr_01 *tunable_attr) { struct lwmi_om_priv *priv = dev_get_drvdata(tunable_attr->dev); - struct wmi_method_args_32 args; + struct wmi_method_args_32 args = {}; struct capdata01 capdata; enum thermal_mode mode; u32 attribute_id; @@ -836,7 +836,7 @@ static ssize_t attr_current_value_show(struct kobject *kobj, struct tunable_attr_01 *tunable_attr) { struct lwmi_om_priv *priv = dev_get_drvdata(tunable_attr->dev); - struct wmi_method_args_32 args; + struct wmi_method_args_32 args = {}; enum thermal_mode mode; u32 attribute_id; int retval; -- 2.53.0