PERFORCE change 213148 for review

[Brooks Davis]

http://p4web.freebsd.org/@@213148?ac=10

Change 213148 by brooks at brooks_ecr_current on 2012/06/19 15:56:12

	Do reject non-PAGE_SIZE aligned and sized regions if mmap is to be
	configured.
	
	Requested by:	rwatson

Affected files ...

.. //depot/projects/ctsrd/beribsd/src/sys/dev/altera/avgen/altera_avgen.c#5 edit

Differences ...

==== //depot/projects/ctsrd/beribsd/src/sys/dev/altera/avgen/altera_avgen.c#5 (text+ko) ====

@@ -382,7 +382,7 @@
 		device_printf(dev, "couldn't map memory\n");
 		return (ENXIO);
 	}
-	if (rman_get_size(sc->avg_res) >= PAGE_SIZE) {
+	if (rman_get_size(sc->avg_res) >= PAGE_SIZE || str_mmapio != NULL) {
 		if (rman_get_size(sc->avg_res) % PAGE_SIZE != 0) {
 			device_printf(dev,
 			    "memory region not even multiple of page size\n");