From: Sakari Ailus <sakari.ailus@linux.intel.com>
To: linux-media@vger.kernel.org
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
linux-acpi@vger.kernel.org, "Len Brown" <lenb@kernel.org>,
"Daniel Scally" <dan.scally@ideasonboard.com>,
"Hans de Goede" <hansg@kernel.org>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
platform-driver-x86@vger.kernel.org
Subject: [PATCH v2 2/5] platform/x86: int3472: Fix uninitialised variable warning
Date: Tue, 25 Aug 2026 00:13:35 +0300 [thread overview]
Message-ID: <20260824211338.3583976-3-sakari.ailus@linux.intel.com> (raw)
In-Reply-To: <20260824211338.3583976-1-sakari.ailus@linux.intel.com>
Fix a smatch warning about uninitialised err_msg variable, by printing the
error where it is handled.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
drivers/platform/x86/intel/int3472/discrete.c | 21 +++++++++----------
1 file changed, 10 insertions(+), 11 deletions(-)
diff --git a/drivers/platform/x86/intel/int3472/discrete.c b/drivers/platform/x86/intel/int3472/discrete.c
index 6c729fcfce5d..b4a95b583edb 100644
--- a/drivers/platform/x86/intel/int3472/discrete.c
+++ b/drivers/platform/x86/intel/int3472/discrete.c
@@ -329,7 +329,6 @@ 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;
@@ -375,7 +374,7 @@ 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:
@@ -387,7 +386,7 @@ 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;
}
@@ -395,14 +394,14 @@ 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:
case INT3472_GPIO_TYPE_STROBE:
ret = skl_int3472_register_led(int3472, gpio, con_id);
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:
@@ -413,7 +412,7 @@ 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 */
@@ -436,11 +435,11 @@ 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)
--
2.47.3
next prev parent reply other threads:[~2026-08-24 21:13 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-24 21:13 [PATCH v2 0/5] Fix static analyser and compiler warnings in int3472 Sakari Ailus
2026-08-24 21:13 ` [PATCH v2 1/5] platform/x86: int3472: Address Coccinelle warning on an error print Sakari Ailus
2026-08-24 21:13 ` Sakari Ailus [this message]
2026-08-24 21:13 ` [PATCH v2 3/5] ACPI: Support __free() from cleanup.h for ACPI objects Sakari Ailus
2026-08-25 11:51 ` Rafael J. Wysocki (Intel)
2026-08-25 12:07 ` Sakari Ailus
2026-08-25 12:18 ` Rafael J. Wysocki (Intel)
2026-08-25 12:32 ` Ilpo Järvinen
2026-08-25 13:02 ` Rafael J. Wysocki (Intel)
2026-08-25 13:08 ` Rafael J. Wysocki (Intel)
2026-08-25 13:51 ` Ilpo Järvinen
2026-08-25 14:42 ` Rafael J. Wysocki (Intel)
2026-08-25 19:35 ` Sakari Ailus
2026-08-26 9:04 ` Ilpo Järvinen
2026-08-26 10:17 ` Rafael J. Wysocki (Intel)
2026-08-25 13:37 ` Ilpo Järvinen
2026-08-25 13:49 ` Rafael J. Wysocki (Intel)
2026-08-24 21:13 ` [PATCH v2 4/5] platform/x86: int3472: Release ACPI objects using __free() Sakari Ailus
2026-08-25 11:54 ` Rafael J. Wysocki (Intel)
2026-08-25 12:04 ` Sakari Ailus
2026-08-25 12:32 ` Rafael J. Wysocki (Intel)
2026-08-24 21:13 ` [PATCH v2 5/5] platform/x86: int3472: Clean up GPIO parsing Sakari Ailus
2026-08-25 10:40 ` Ilpo Järvinen
2026-08-25 10:54 ` Sakari Ailus
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