UPSTREAM: arm64: add macro to extract ESR_ELx.EC

[firefly-linux-kernel-4.4.55.git] / arch / arm64 / mm / dma-mapping.c

diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index a6e757cbab7785ed411e919b95c6d13caaf21726..925b2b3a06f872b54529b03c4ff9898184e618f6 100644 (file)
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -170,7 +170,7 @@ static void *__dma_alloc(struct device *dev, size_t size,
        /* create a coherent mapping */
        page = virt_to_page(ptr);
        coherent_ptr = dma_common_contiguous_remap(page, size, VM_USERMAP,
-                                                  prot, NULL);
+                                                  prot, __builtin_return_address(0));
        if (!coherent_ptr)
                goto no_map;