Allow a bus_dmamap_sync() of length zero.
authorkettenis <kettenis@openbsd.org>
Sun, 14 Aug 2016 10:32:17 +0000 (10:32 +0000)
committerkettenis <kettenis@openbsd.org>
Sun, 14 Aug 2016 10:32:17 +0000 (10:32 +0000)
commitaa6ddb64423f010039b4f9952c0aabb63612a1b5
tree3500da527d5e07a3ad6010eff0ed1024c9de386d
parent7b0ba3521c020d0f5058702af9c11d0a21fbbc05
Allow a bus_dmamap_sync() of length zero.

ok tedu@
sys/arch/arm/arm/bus_dma.c