K 10
svn:author
V 6
marius
K 8
svn:date
V 27
2008-05-13T20:58:08.000000Z
K 7
svn:log
V 192
Don't let hacksync() call bus_dmamap_sync(9) on DMA maps which
are not initialized. This fixes a panic on sparc64 where calling
bus_dmamap_sync(9) on NULL DMA maps is fatal.

Approved by:	sam

END