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Wysocki (Intel)" , Daniel Scally , Sasha Levin Subject: [PATCH 6.18 059/869] platform/x86: int3472: Fix uninitialised variable warning Date: Sat, 7 Nov 2026 08:45:41 -0500 Message-ID: <20261107134854.141286830@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261107134852.069646174@linuxfoundation.org> References: <20261107134852.069646174@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sakari Ailus [ Upstream commit 70e6384fe0f4cf9768944f81924f6c1478b0ce43 ] Fix a compiler warning about an uninitialised err_msg variable by printing the error where it is handled: drivers/platform/x86/intel/int3472/discrete.c:440:24: warning: ‘err_msg’ may be used uninitialized [-Wmaybe-uninitialized] 440 | return dev_err_probe(int3472->dev, ret, err_msg); Fixes: 5de691bffe57 ("platform/x86: Add intel_skl_int3472 driver") Cc: stable@vger.kernel.org Signed-off-by: Sakari Ailus Reviewed-by: Ricardo Ribalda Acked-by: Rafael J. Wysocki (Intel) Reviewed-by: Daniel Scally Signed-off-by: Sasha Levin --- drivers/platform/x86/intel/int3472/discrete.c | 25 +++++++++++-------- 1 file changed, 14 insertions(+), 11 deletions(-) diff --git a/drivers/platform/x86/intel/int3472/discrete.c b/drivers/platform/x86/intel/int3472/discrete.c index 1505fc3ef7a85..96c33ba80002f 100644 --- a/drivers/platform/x86/intel/int3472/discrete.c +++ b/drivers/platform/x86/intel/int3472/discrete.c @@ -280,7 +280,6 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares, unsigned long gpio_flags; union acpi_object *obj; struct gpio_desc *gpio; - const char *err_msg; const char *con_id; int ret; @@ -326,7 +325,8 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares, case INT3472_GPIO_TYPE_HOTPLUG_DETECT: ret = skl_int3472_map_gpio_to_sensor(int3472, agpio, con_id, gpio_flags); if (ret) - err_msg = "Failed to map GPIO pin to sensor\n"; + dev_err_probe(int3472->dev, ret, + "Failed to map GPIO pin to sensor\n"); break; case INT3472_GPIO_TYPE_CLK_ENABLE: @@ -336,7 +336,7 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares, gpio = skl_int3472_gpiod_get_from_temp_lookup(int3472, agpio, con_id, gpio_flags); if (IS_ERR(gpio)) { ret = PTR_ERR(gpio); - err_msg = "Failed to get GPIO\n"; + dev_err_probe(int3472->dev, ret, "Failed to get GPIO\n"); break; } @@ -344,13 +344,15 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares, case INT3472_GPIO_TYPE_CLK_ENABLE: ret = skl_int3472_register_gpio_clock(int3472, gpio); if (ret) - err_msg = "Failed to register clock\n"; + dev_err_probe(int3472->dev, ret, + "Failed to register clock\n"); break; case INT3472_GPIO_TYPE_PRIVACY_LED: ret = skl_int3472_register_pled(int3472, gpio); if (ret) - err_msg = "Failed to register LED\n"; + dev_err_probe(int3472->dev, ret, + "Failed to register LED\n"); break; case INT3472_GPIO_TYPE_POWER_ENABLE: @@ -360,7 +362,8 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares, ret = skl_int3472_register_regulator(int3472, gpio, enable_time_us, con_id, second_sensor); if (ret) - err_msg = "Failed to register regulator\n"; + dev_err_probe(int3472->dev, ret, + "Failed to register regulator\n"); break; default: /* Never reached */ @@ -383,11 +386,11 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares, int3472->ngpios++; ACPI_FREE(obj); - if (ret < 0) - return dev_err_probe(int3472->dev, ret, err_msg); - - /* Tell acpi_dev_get_resources() to not make a copy of the resource */ - return 1; + /* + * Either return an error or tell acpi_dev_get_resources() to not make a + * copy of the resource. + */ + return ret < 0 ? ret : 1; } int int3472_discrete_parse_crs(struct int3472_discrete_device *int3472) -- 2.53.0