svn commit: r208882 - projects/altix/sys/dev/usb
Marcel Moolenaar
marcel at FreeBSD.org
Mon Jun 7 03:08:52 UTC 2010
Author: marcel
Date: Mon Jun 7 03:08:52 2010
New Revision: 208882
URL: http://svn.freebsd.org/changeset/base/208882
Log:
Don't call bus_dmamap_sync() with a NULL dmamap.
Modified:
projects/altix/sys/dev/usb/usb_busdma.c
Modified: projects/altix/sys/dev/usb/usb_busdma.c
==============================================================================
--- projects/altix/sys/dev/usb/usb_busdma.c Sun Jun 6 22:27:32 2010 (r208881)
+++ projects/altix/sys/dev/usb/usb_busdma.c Mon Jun 7 03:08:52 2010 (r208882)
@@ -675,7 +675,7 @@ usb_pc_load_mem(struct usb_page_cache *p
void
usb_pc_cpu_invalidate(struct usb_page_cache *pc)
{
- if (pc->page_offset_end == pc->page_offset_buf) {
+ if (pc->page_offset_end == pc->page_offset_buf || pc->map == NULL) {
/* nothing has been loaded into this page cache! */
return;
}
@@ -695,7 +695,7 @@ usb_pc_cpu_invalidate(struct usb_page_ca
void
usb_pc_cpu_flush(struct usb_page_cache *pc)
{
- if (pc->page_offset_end == pc->page_offset_buf) {
+ if (pc->page_offset_end == pc->page_offset_buf || pc->map == NULL) {
/* nothing has been loaded into this page cache! */
return;
}
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