linux-kernel - [PATCH] soundwire: Replace acpi_bus_get

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-next>] [day] [month] [year] [list]

Date:   Wed, 26 Jan 2022 20:50:39 +0100
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Bard Liao <yung-chuan.liao@...ux.intel.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        alsa-devel@...a-project.org, LKML <linux-kernel@...r.kernel.org>,
        Linux ACPI <linux-acpi@...r.kernel.org>
Subject: [PATCH] soundwire: Replace acpi_bus_get_device()

From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

Replace acpi_bus_get_device() that is going to be dropped with
acpi_fetch_acpi_dev().

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/soundwire/intel_init.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

Index: linux-pm/drivers/soundwire/intel_init.c
===================================================================
--- linux-pm.orig/drivers/soundwire/intel_init.c
+++ linux-pm/drivers/soundwire/intel_init.c
@@ -180,7 +180,8 @@ static struct sdw_intel_ctx
 	if (!res)
 		return NULL;
 
-	if (acpi_bus_get_device(res->handle, &adev))
+	adev = acpi_fetch_acpi_dev(res->handle);
+	if (!adev)
 		return NULL;
 
 	if (!res->count)
@@ -294,13 +295,13 @@ err:
 static int
 sdw_intel_startup_controller(struct sdw_intel_ctx *ctx)
 {
-	struct acpi_device *adev;
+	struct acpi_device *adev = acpi_fetch_acpi_dev(ctx->handle);
 	struct sdw_intel_link_dev *ldev;
 	u32 caps;
 	u32 link_mask;
 	int i;
 
-	if (acpi_bus_get_device(ctx->handle, &adev))
+	if (!adev)
 		return -EINVAL;
 
 	/* Check SNDWLCAP.LCOUNT */