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-rw-r--r--arch/arm/plat-omap/iovmm.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c
index 0ce36bbef9d2..577d8c03b8e1 100644
--- a/arch/arm/plat-omap/iovmm.c
+++ b/arch/arm/plat-omap/iovmm.c
@@ -617,7 +617,7 @@ u32 iommu_vmap(struct iommu *obj, u32 da, const struct sg_table *sgt,
u32 flags)
{
size_t bytes;
- void *va;
+ void *va = NULL;
if (!obj || !obj->dev || !sgt)
return -EINVAL;
@@ -627,9 +627,11 @@ u32 iommu_vmap(struct iommu *obj, u32 da, const struct sg_table *sgt,
return -EINVAL;
bytes = PAGE_ALIGN(bytes);
- va = vmap_sg(sgt);
- if (IS_ERR(va))
- return PTR_ERR(va);
+ if (flags & IOVMF_MMIO) {
+ va = vmap_sg(sgt);
+ if (IS_ERR(va))
+ return PTR_ERR(va);
+ }
flags &= IOVMF_HW_MASK;
flags |= IOVMF_DISCONT;