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-rw-r--r--arch/powerpc/kernel/vio.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 00b9436f765..fa3469ddaef 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -1059,7 +1059,7 @@ static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)
if (!dma_window)
return NULL;
- tbl = kmalloc(sizeof(*tbl), GFP_KERNEL);
+ tbl = kzalloc(sizeof(*tbl), GFP_KERNEL);
if (tbl == NULL)
return NULL;
@@ -1072,6 +1072,7 @@ static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)
tbl->it_offset = offset >> IOMMU_PAGE_SHIFT;
tbl->it_busno = 0;
tbl->it_type = TCE_VB;
+ tbl->it_blocksize = 16;
return iommu_init_table(tbl, -1);
}