linux-kernel - [PATCH v1 3/4] ALSA: hda: cs35l41: Drop wrong use of ACPI

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: <20220711095219.36915-3-andriy.shevchenko@linux.intel.com>
Date:   Mon, 11 Jul 2022 12:52:18 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Takashi Iwai <tiwai@...e.de>,
        Lucas Tanure <tanureal@...nsource.cirrus.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        patches@...nsource.cirrus.com
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        James Schulman <james.schulman@...rus.com>,
        David Rhodes <david.rhodes@...rus.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>
Subject: [PATCH v1 3/4] ALSA: hda: cs35l41: Drop wrong use of ACPI_PTR()

ACPI_PTR() is more harmful than helpful. For example, in this case
if CONFIG_ACPI=n, the ID table left unused which is not what we want.

Instead of adding ifdeffery or attribute here and there, drop ACPI_PTR().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 sound/pci/hda/cs35l41_hda_i2c.c | 8 +++-----
 sound/pci/hda/cs35l41_hda_spi.c | 8 +++-----
 2 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/sound/pci/hda/cs35l41_hda_i2c.c b/sound/pci/hda/cs35l41_hda_i2c.c
index e810b278fb91..5cfb5aac37ac 100644
--- a/sound/pci/hda/cs35l41_hda_i2c.c
+++ b/sound/pci/hda/cs35l41_hda_i2c.c
@@ -6,9 +6,9 @@
 //
 // Author: Lucas Tanure <tanureal@...nsource.cirrus.com>
 
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/i2c.h>
-#include <linux/acpi.h>
 
 #include "cs35l41_hda.h"
 
@@ -42,19 +42,17 @@ static const struct i2c_device_id cs35l41_hda_i2c_id[] = {
 	{}
 };
 
-#ifdef CONFIG_ACPI
 static const struct acpi_device_id cs35l41_acpi_hda_match[] = {
 	{"CLSA0100", 0 },
 	{"CSC3551", 0 },
-	{ },
+	{}
 };
 MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match);
-#endif
 
 static struct i2c_driver cs35l41_i2c_driver = {
 	.driver = {
 		.name		= "cs35l41-hda",
-		.acpi_match_table = ACPI_PTR(cs35l41_acpi_hda_match),
+		.acpi_match_table = cs35l41_acpi_hda_match,
 	},
 	.id_table	= cs35l41_hda_i2c_id,
 	.probe		= cs35l41_hda_i2c_probe,
diff --git a/sound/pci/hda/cs35l41_hda_spi.c b/sound/pci/hda/cs35l41_hda_spi.c
index 22e088f28438..c9a61675c4fd 100644
--- a/sound/pci/hda/cs35l41_hda_spi.c
+++ b/sound/pci/hda/cs35l41_hda_spi.c
@@ -6,7 +6,7 @@
 //
 // Author: Lucas Tanure <tanureal@...nsource.cirrus.com>
 
-#include <linux/acpi.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/spi/spi.h>
 
@@ -38,18 +38,16 @@ static const struct spi_device_id cs35l41_hda_spi_id[] = {
 	{}
 };
 
-#ifdef CONFIG_ACPI
 static const struct acpi_device_id cs35l41_acpi_hda_match[] = {
 	{ "CSC3551", 0 },
-	{},
+	{}
 };
 MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match);
-#endif
 
 static struct spi_driver cs35l41_spi_driver = {
 	.driver = {
 		.name		= "cs35l41-hda",
-		.acpi_match_table = ACPI_PTR(cs35l41_acpi_hda_match),
+		.acpi_match_table = cs35l41_acpi_hda_match,
 	},
 	.id_table	= cs35l41_hda_spi_id,
 	.probe		= cs35l41_hda_spi_probe,
-- 
2.35.1