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[src/trunk]: src/sys/arch/sparc64/dev Return instead of crashing. This is wro...



details:   https://anonhg.NetBSD.org/src/rev/7a670219d27f
branches:  trunk
changeset: 814099:7a670219d27f
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Mar 07 00:16:48 2016 +0000

description:
Return instead of crashing. This is wrong, and should be fixed properly.

diffstat:

 sys/arch/sparc64/dev/iommu.c |  9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)

diffs (32 lines):

diff -r f70961d07bb8 -r 7a670219d27f sys/arch/sparc64/dev/iommu.c
--- a/sys/arch/sparc64/dev/iommu.c      Mon Mar 07 00:11:33 2016 +0000
+++ b/sys/arch/sparc64/dev/iommu.c      Mon Mar 07 00:16:48 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: iommu.c,v 1.111 2016/03/07 00:11:33 christos Exp $     */
+/*     $NetBSD: iommu.c,v 1.112 2016/03/07 00:16:48 christos Exp $     */
 
 /*
  * Copyright (c) 1999, 2000 Matthew R. Green
@@ -59,7 +59,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: iommu.c,v 1.111 2016/03/07 00:11:33 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: iommu.c,v 1.112 2016/03/07 00:16:48 christos Exp $");
 
 #include "opt_ddb.h"
 
@@ -746,11 +746,10 @@
        bus_size_t sgsize = map->_dm_dvmasize;
 
        /* Flush the iommu */
-#ifdef DEBUG
        if (!map->_dm_dvmastart) {
-               printf("iommu_dvmamap_unload: No dvmastart is zero\n");
+               printf("%s: error dvmastart is zero!\n", __func__);
+               return;
        }
-#endif
        iommu_remove(is, map->_dm_dvmastart, map->_dm_dvmasize);
 
        /* Flush the caches */



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