diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 72ddc3d0f5ebb29c219ccd46a7351abf89eeeb31..87aba505554ac1e9e80a034aadbb547dff4b86cf 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -658,7 +658,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, pgprot_t prot, bool is_coherent, unsigned long attrs, const void *caller) { - u64 mask = dev->coherent_dma_mask; + u64 mask = min_not_zero(dev->coherent_dma_mask, dev->bus_dma_limit); struct page *page = NULL; void *addr; bool allowblock, cma;