[src/trunk]: src/sys/dev/pci use KAUTH_MACHDEP_UNMANAGEDMEM instead of KAUTH_...

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9fd524bf7658
branches:  trunk
changeset: 1023668:9fd524bf7658
user:      christos <christos%NetBSD.org@localhost>
date:      Tue Sep 21 14:47:28 2021 +0000

description:
use KAUTH_MACHDEP_UNMANAGEDMEM instead of KAUTH_GENERIC_ISSUSER like all the
other framebuffers.

diffstat:

 sys/dev/pci/sisfb.c |  11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)

diffs (29 lines):

diff -r dc0843340d5c -r 9fd524bf7658 sys/dev/pci/sisfb.c
--- a/sys/dev/pci/sisfb.c       Tue Sep 21 14:40:14 2021 +0000
+++ b/sys/dev/pci/sisfb.c       Tue Sep 21 14:47:28 2021 +0000
@@ -24,7 +24,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sisfb.c,v 1.7 2021/08/07 16:19:14 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sisfb.c,v 1.8 2021/09/21 14:47:28 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -472,10 +472,13 @@
                }
                return -1;
        }
-       if (kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER,
-           NULL) != 0) {
+
+       if (kauth_authorize_machdep(kauth_cred_get(), 
+           KAUTH_MACHDEP_UNMANAGEDMEM, NULL, NULL, NULL, NULL) != 0) {
+               aprint_error_dev(sc->sc_dev, "mmap() rejected.\n");
                return -1;
-       }
+       }       
+
        if (offset >= (fb->fbbase & ~PAGE_MASK) &&
            offset <= ((fb->fbbase + fb->fbsize + PAGE_SIZE - 1) & ~PAGE_MASK)) {
                pa = bus_space_mmap(fb->fbt, fb->fbbase, offset - fb->fbbase,