[src/trunk]: src/sys/arch/ia64/pci Check return status from ia64_sal_entry().

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

details:   https://anonhg.NetBSD.org/src/rev/8bf4ee612c9e
branches:  trunk
changeset: 783901:8bf4ee612c9e
user:      kiyohara <kiyohara%NetBSD.org@localhost>
date:      Sat Jan 12 08:40:51 2013 +0000

description:
Check return status from ia64_sal_entry().

diffstat:

 sys/arch/ia64/pci/pci_machdep.c |  9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r 461e7d5f753a -r 8bf4ee612c9e sys/arch/ia64/pci/pci_machdep.c
--- a/sys/arch/ia64/pci/pci_machdep.c   Sat Jan 12 07:11:59 2013 +0000
+++ b/sys/arch/ia64/pci/pci_machdep.c   Sat Jan 12 08:40:51 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pci_machdep.c,v 1.2 2010/06/28 12:14:08 kiyohara Exp $ */
+/*     $NetBSD: pci_machdep.c,v 1.3 2013/01/12 08:40:51 kiyohara Exp $ */
 /*
  * Copyright (c) 2009, 2010 KIYOHARA Takashi
  * All rights reserved.
@@ -25,7 +25,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pci_machdep.c,v 1.2 2010/06/28 12:14:08 kiyohara Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pci_machdep.c,v 1.3 2013/01/12 08:40:51 kiyohara Exp $");
 
 #include <machine/bus.h>
 #include <machine/sal.h>
@@ -89,7 +89,10 @@
 void
 pci_conf_write(pci_chipset_tag_t pc, pcitag_t tag, int reg, pcireg_t val)
 {
+       struct ia64_sal_result res;
 
-       (void) ia64_sal_entry(SAL_PCI_CONFIG_WRITE,
+       res = ia64_sal_entry(SAL_PCI_CONFIG_WRITE,
            tag | reg, sizeof(pcireg_t), val, 0, 0, 0, 0);
+       if (res.sal_status < 0)
+               printf("pci configuration write failed\n");
 }