These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / dma / iop-adma.c
index 9988268..e4f4312 100644 (file)
@@ -1300,10 +1300,11 @@ static int iop_adma_probe(struct platform_device *pdev)
         * note: writecombine gives slightly better performance, but
         * requires that we explicitly flush the writes
         */
-       if ((adev->dma_desc_pool_virt = dma_alloc_writecombine(&pdev->dev,
-                                       plat_data->pool_size,
-                                       &adev->dma_desc_pool,
-                                       GFP_KERNEL)) == NULL) {
+       adev->dma_desc_pool_virt = dma_alloc_writecombine(&pdev->dev,
+                                                         plat_data->pool_size,
+                                                         &adev->dma_desc_pool,
+                                                         GFP_KERNEL);
+       if (!adev->dma_desc_pool_virt) {
                ret = -ENOMEM;
                goto err_free_adev;
        }