diff options
Diffstat (limited to 'kernel/dma/dummy.c')
| -rw-r--r-- | kernel/dma/dummy.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/kernel/dma/dummy.c b/kernel/dma/dummy.c index 05607642c888..b492d59ac77e 100644 --- a/kernel/dma/dummy.c +++ b/kernel/dma/dummy.c @@ -2,7 +2,7 @@ /* * Dummy DMA ops that always fail. */ -#include <linux/dma-mapping.h> +#include <linux/dma-map-ops.h> static int dma_dummy_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, @@ -22,7 +22,7 @@ static int dma_dummy_map_sg(struct device *dev, struct scatterlist *sgl, int nelems, enum dma_data_direction dir, unsigned long attrs) { - return 0; + return -EINVAL; } static int dma_dummy_supported(struct device *hwdev, u64 mask) @@ -36,4 +36,3 @@ const struct dma_map_ops dma_dummy_ops = { .map_sg = dma_dummy_map_sg, .dma_supported = dma_dummy_supported, }; -EXPORT_SYMBOL(dma_dummy_ops); |