From 28977cb9bc15a7f1fb7d28e14cd03f8dafd4e155 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dag-Erling=20Sm=C3=B8rgrav?= <des@FreeBSD.org>
Date: Tue, 29 Aug 2023 17:23:16 +0000
Subject: [PATCH] wmistat: don't restrict reading to the pid that opened the
 fd.

PR:		273405
MFC after:	1 week
Reviewed by:	emaste
Differential Revision:	https://reviews.freebsd.org/D41621
---
 sys/dev/acpi_support/acpi_wmi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sys/dev/acpi_support/acpi_wmi.c b/sys/dev/acpi_support/acpi_wmi.c
index 1df7cc60a94..6601db4317c 100644
--- a/sys/dev/acpi_support/acpi_wmi.c
+++ b/sys/dev/acpi_support/acpi_wmi.c
@@ -976,8 +976,7 @@ acpi_wmi_wmistat_read(struct cdev *dev, struct uio *buf, int flag)
 	sc = dev->si_drv1;
 
 	ACPI_SERIAL_BEGIN(acpi_wmi);
-	if (sc->wmistat_open_pid != buf->uio_td->td_proc->p_pid ||
-			sc->wmistat_bufptr == -1) {
+	if (sc->wmistat_bufptr == -1) {
 		ret = EBADF;
 	}
 	else {