diff options
| -rw-r--r-- | include/linux/dma-mapping.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index d849518..16add66 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -513,6 +513,7 @@ static inline void *dma_alloc_attrs(struct device *dev, size_t size, void *cpu_addr; BUG_ON(!ops); + WARN_ON_ONCE(dev && !dev->coherent_dma_mask); if (dma_alloc_from_dev_coherent(dev, size, dma_handle, &cpu_addr)) return cpu_addr; |
