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CVS: cvs.openbsd.org: src

Module name:	src
Changes by:	jason_(_at_)_cvs_(_dot_)_openbsd_(_dot_)_org	2003/06/02 12:14:16

Modified files:
	sys/arch/i386/i386: machdep.c 
	sys/arch/macppc/macppc: dma.c 
	sys/arch/sparc64/sparc64: machdep.c 

Log message:
add length checks on bus_dmamap_load_uio() on the total length vs. what the
map is expecting.  Also, sparc64 was missing the equivalent check in
_load_mbuf() and the "make sure no valid mappings are returned" goop.