diff options
Diffstat (limited to 'include/asm-x86/dma-mapping.h')
| -rw-r--r-- | include/asm-x86/dma-mapping.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h index 984935d86bbd..a7090bbb2a2d 100644 --- a/include/asm-x86/dma-mapping.h +++ b/include/asm-x86/dma-mapping.h @@ -54,6 +54,14 @@ struct dma_mapping_ops { extern const struct dma_mapping_ops *dma_ops; +static inline int dma_mapping_error(dma_addr_t dma_addr) +{ + if (dma_ops->mapping_error) + return dma_ops->mapping_error(dma_addr); + + return (dma_addr == bad_dma_address); +} + #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) |