git: 9f9ba5669212 - stable/12 - wmistat: don't restrict reading to the pid that opened the fd.

[Dag-Erling Smørgrav]

The branch stable/12 has been updated by des:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=9f9ba5669212d3df01d007fb54056e37814fc438

commit 9f9ba5669212d3df01d007fb54056e37814fc438
Author:     Dag-Erling Smørgrav <d...@freebsd.org>
AuthorDate: 2023-08-29 17:23:16 +0000
Commit:     Dag-Erling Smørgrav <d...@freebsd.org>
CommitDate: 2023-09-08 10:12:21 +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)
---
 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 93621289c20f..23e117848543 100644
--- a/sys/dev/acpi_support/acpi_wmi.c
+++ b/sys/dev/acpi_support/acpi_wmi.c
@@ -951,8 +951,7 @@ 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 {