[src/trunk]: src/sys/arch/x86/pci actually allow pci_intr_alloc() with NULL c...

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

details:   https://anonhg.NetBSD.org/src/rev/9ff92de9140a
branches:  trunk
changeset: 446216:9ff92de9140a
user:      jdolecek <jdolecek%NetBSD.org@localhost>
date:      Tue Nov 27 21:03:50 2018 +0000

description:
actually allow pci_intr_alloc() with NULL count with MSI-X

diffstat:

 sys/arch/x86/pci/pci_intr_machdep.c |  9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)

diffs (30 lines):

diff -r 790f74b075f3 -r 9ff92de9140a sys/arch/x86/pci/pci_intr_machdep.c
--- a/sys/arch/x86/pci/pci_intr_machdep.c       Tue Nov 27 20:13:43 2018 +0000
+++ b/sys/arch/x86/pci/pci_intr_machdep.c       Tue Nov 27 21:03:50 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pci_intr_machdep.c,v 1.46 2018/11/27 20:08:05 jdolecek Exp $   */
+/*     $NetBSD: pci_intr_machdep.c,v 1.47 2018/11/27 21:03:50 jdolecek Exp $   */
 
 /*-
  * Copyright (c) 1997, 1998, 2009 The NetBSD Foundation, Inc.
@@ -73,7 +73,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pci_intr_machdep.c,v 1.46 2018/11/27 20:08:05 jdolecek Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pci_intr_machdep.c,v 1.47 2018/11/27 21:03:50 jdolecek Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -543,9 +543,8 @@
        if (msix_count > 0) {
                error = pci_msix_alloc_exact(pa, ihps, msix_count);
                if (error == 0) {
-                       KASSERTMSG(counts != NULL,
-                           "If MSI-X is used, counts must not be NULL.");
-                       counts[PCI_INTR_TYPE_MSIX] = msix_count;
+                       if (counts != NULL)
+                               counts[PCI_INTR_TYPE_MSIX] = msix_count;
                        goto out;
                }
        }