Author: ian
Date: Fri Feb 15 23:41:47 2013
New Revision: 246859
URL: http://svnweb.freebsd.org/changeset/base/246859
Log:
Set map->pmap before _bus_dmamap_count_pages() tries to use it.
Obtained from: Thomas Skibo <thomassk...@sbcglobal.net>
Modified:
head/sys/arm/arm/busdma_machdep-v6.c
Modified: head/sys/arm/arm/busdma_machdep-v6.c
==============================================================================
--- head/sys/arm/arm/busdma_machdep-v6.c Fri Feb 15 23:12:58 2013
(r246858)
+++ head/sys/arm/arm/busdma_machdep-v6.c Fri Feb 15 23:41:47 2013
(r246859)
@@ -968,6 +968,8 @@ _bus_dmamap_load_buffer(bus_dma_tag_t dm
if (segs == NULL)
segs = dmat->segments;
+ map->pmap = pmap;
+
if ((dmat->flags & BUS_DMA_COULD_BOUNCE) != 0) {
_bus_dmamap_count_pages(dmat, map, buf, buflen, flags);
if (map->pagesneeded != 0) {
@@ -979,7 +981,6 @@ _bus_dmamap_load_buffer(bus_dma_tag_t dm
sl = NULL;
vaddr = (vm_offset_t)buf;
- map->pmap = pmap;
while (buflen > 0) {
/*
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