diff options
| -rw-r--r-- | arch/arm/plat-omap/iovmm.c | 10 |
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; |
