git: f41c23ee5b34 - stable/14 - wmistat: don't restrict reading to the pid that opened the fd.

From: Dag-Erling Smørgrav <des_at_FreeBSD.org>
Date: Thu, 07 Sep 2023 20:28:46 UTC
The branch stable/14 has been updated by des:

URL: https://cgit.FreeBSD.org/src/commit/?id=f41c23ee5b347c422f79630345af8a22bc9a5190

commit f41c23ee5b347c422f79630345af8a22bc9a5190
Author:     Dag-Erling Smørgrav <des@FreeBSD.org>
AuthorDate: 2023-08-29 17:23:16 +0000
Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2023-09-07 20:28:30 +0000

    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
    
    (cherry picked from commit 28977cb9bc15a7f1fb7d28e14cd03f8dafd4e155)
    
    Approved by:    re (gjb)
---
 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 1df7cc60a940..6601db4317cb 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 {