linux-kernel - [PATCH v2 2/8] platform/x86: intel_skl_int3472: Free ACPI device resources after use

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210618125516.53510-2-andriy.shevchenko@linux.intel.com>
Date:   Fri, 18 Jun 2021 15:55:10 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Hans de Goede <hdegoede@...hat.com>,
        Mario Limonciello <mario.limonciello@....com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Daniel Scally <djrscally@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org
Cc:     Mark Gross <mgross@...ux.intel.com>
Subject: [PATCH v2 2/8] platform/x86: intel_skl_int3472: Free ACPI device resources after use

We may free ACPI device resources immediately after use.
Refactor skl_int3472_parse_crs() accordingly.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
v2: new patch
 .../x86/intel-int3472/intel_skl_int3472_discrete.c  | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/platform/x86/intel-int3472/intel_skl_int3472_discrete.c b/drivers/platform/x86/intel-int3472/intel_skl_int3472_discrete.c
index 8c18dbff1c43..48a00a1f4fb6 100644
--- a/drivers/platform/x86/intel-int3472/intel_skl_int3472_discrete.c
+++ b/drivers/platform/x86/intel-int3472/intel_skl_int3472_discrete.c
@@ -308,8 +308,10 @@ static int skl_int3472_parse_crs(struct int3472_discrete_device *int3472)
 	ret = acpi_dev_get_resources(int3472->adev, &resource_list,
 				     skl_int3472_handle_gpio_resources,
 				     int3472);
-	if (ret)
-		goto out_free_res_list;
+	if (ret < 0)
+		return ret;
+
+	acpi_dev_free_resource_list(&resource_list);
 
 	/*
 	 * If we find no clock enable GPIO pin then the privacy LED won't work.
@@ -319,7 +321,7 @@ static int skl_int3472_parse_crs(struct int3472_discrete_device *int3472)
 	if (int3472->clock.ena_gpio) {
 		ret = skl_int3472_register_clock(int3472);
 		if (ret)
-			goto out_free_res_list;
+			return ret;
 	} else {
 		if (int3472->clock.led_gpio)
 			dev_warn(int3472->dev,
@@ -329,10 +331,7 @@ static int skl_int3472_parse_crs(struct int3472_discrete_device *int3472)
 	int3472->gpios.dev_id = int3472->sensor_name;
 	gpiod_add_lookup_table(&int3472->gpios);
 
-out_free_res_list:
-	acpi_dev_free_resource_list(&resource_list);
-
-	return ret;
+	return 0;
 }
 
 int skl_int3472_discrete_probe(struct platform_device *pdev)
-- 
2.30.2