From: Rafael Mendonca <rafaelmendsr@gmail.com>
To: Eric Auger <eric.auger@redhat.com>,
Alex Williamson <alex.williamson@redhat.com>,
Cornelia Huck <cohuck@redhat.com>,
Sinan Kaya <okaya@codeaurora.org>
Cc: Rafael Mendonca <rafaelmendsr@gmail.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] vfio: platform: Do not pass return buffer to ACPI _RST method
Date: Tue, 18 Oct 2022 12:28:25 -0300 [thread overview]
Message-ID: <20221018152825.891032-1-rafaelmendsr@gmail.com> (raw)
The ACPI _RST method has no return value, there's no need to pass a return
buffer to acpi_evaluate_object().
Fixes: d30daa33ec1d ("vfio: platform: call _RST method when using ACPI")
Signed-off-by: Rafael Mendonca <rafaelmendsr@gmail.com>
---
drivers/vfio/platform/vfio_platform_common.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c
index 55dc4f43c31e..1a0a238ffa35 100644
--- a/drivers/vfio/platform/vfio_platform_common.c
+++ b/drivers/vfio/platform/vfio_platform_common.c
@@ -72,12 +72,11 @@ static int vfio_platform_acpi_call_reset(struct vfio_platform_device *vdev,
const char **extra_dbg)
{
#ifdef CONFIG_ACPI
- struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
struct device *dev = vdev->device;
acpi_handle handle = ACPI_HANDLE(dev);
acpi_status acpi_ret;
- acpi_ret = acpi_evaluate_object(handle, "_RST", NULL, &buffer);
+ acpi_ret = acpi_evaluate_object(handle, "_RST", NULL, NULL);
if (ACPI_FAILURE(acpi_ret)) {
if (extra_dbg)
*extra_dbg = acpi_format_exception(acpi_ret);
--
2.34.1
next reply other threads:[~2022-10-18 15:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-18 15:28 Rafael Mendonca [this message]
2022-10-18 16:45 ` Eric Auger
2022-11-10 20:16 ` Alex Williamson
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