drm/amdgpu/dce11: disable hpd on local panels

[firefly-linux-kernel-4.4.55.git] / drivers / iommu / dma-iommu.c

diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 58f2fe687a24ddd29ac6d786862eefc33098d795..347a3c17f73a6ff9ed5acde668c9fb5df1b3a5cb 100644 (file)
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -68,7 +68,8 @@ void iommu_put_dma_cookie(struct iommu_domain *domain)
        if (!iovad)
                return;
 
-       put_iova_domain(iovad);
+       if (iovad->granule)
+               put_iova_domain(iovad);
        kfree(iovad);
        domain->iova_cookie = NULL;
 }