[src/trunk]: src/sys/arch/i386/i386 added some error checking on return from ...

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

details:   https://anonhg.NetBSD.org/src/rev/1a368b99dbaa
branches:  trunk
changeset: 512132:1a368b99dbaa
user:      mcr <mcr%NetBSD.org@localhost>
date:      Fri Jul 06 18:01:26 2001 +0000

description:
added some error checking on return from rbus_new_root_share().

diffstat:

 sys/arch/i386/i386/rbus_machdep.c |  13 +++++++++----
 1 files changed, 9 insertions(+), 4 deletions(-)

diffs (32 lines):

diff -r f6c70aa6c1cd -r 1a368b99dbaa sys/arch/i386/i386/rbus_machdep.c
--- a/sys/arch/i386/i386/rbus_machdep.c Fri Jul 06 18:00:50 2001 +0000
+++ b/sys/arch/i386/i386/rbus_machdep.c Fri Jul 06 18:01:26 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rbus_machdep.c,v 1.11 2001/04/25 03:31:23 thorpej Exp $        */
+/*     $NetBSD: rbus_machdep.c,v 1.12 2001/07/06 18:01:26 mcr Exp $    */
 
 /*
  * Copyright (c) 1999
@@ -111,14 +111,19 @@
        struct extent *ex;
        bus_addr_t start;
        bus_size_t size;
+       rbus_tag_t ret;
 #ifdef PCIBIOS_ADDR_FIXUP
        ex = pciaddr.extent_port;
 #else
        extern struct extent *ioport_ex;
        ex = ioport_ex;
 #endif
-       start =  0x2000;
-       size =  0x1000;
+       start = 0x4000;
+       size  = 0x2000;
 
-       return rbus_new_root_share(pa->pa_iot, ex, start, size, 0);
+       ret = rbus_new_root_share(pa->pa_iot, ex, start, size, 0);
+       if(ret == NULL) {
+         panic("failed to alloc I/O space");
+       }
+       return ret;
 }