diff options
Diffstat (limited to 'sys/arch/sparc64/dev/viommu.c')
| -rw-r--r-- | sys/arch/sparc64/dev/viommu.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/arch/sparc64/dev/viommu.c b/sys/arch/sparc64/dev/viommu.c index d9c31d85e7b..2b95a707488 100644 --- a/sys/arch/sparc64/dev/viommu.c +++ b/sys/arch/sparc64/dev/viommu.c @@ -1,4 +1,4 @@ -/* $OpenBSD: viommu.c,v 1.15 2014/05/10 12:20:38 kettenis Exp $ */ +/* $OpenBSD: viommu.c,v 1.16 2015/01/09 14:23:25 kettenis Exp $ */ /* $NetBSD: iommu.c,v 1.47 2002/02/08 20:03:45 eeh Exp $ */ /* @@ -784,8 +784,8 @@ viommu_dvmamap_load_mlist(bus_dma_tag_t t, struct iommu_state *is, for (m = TAILQ_FIRST(mlist); m != NULL; m = TAILQ_NEXT(m,pageq)) { pa = VM_PAGE_TO_PHYS(m); - err = viommu_dvmamap_append_range(t, map, pa, PAGE_SIZE, - flags, boundary); + err = viommu_dvmamap_append_range(t, map, pa, + MIN(PAGE_SIZE, size), flags, boundary); if (err == EFBIG) return (err); if (err) { @@ -794,6 +794,9 @@ viommu_dvmamap_load_mlist(bus_dma_tag_t t, struct iommu_state *is, pa + PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); return (err); } + if (size < PAGE_SIZE) + break; + size -= PAGE_SIZE; } return (0); |