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| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2008-09-19 02:02:05 +0900 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-19 10:20:41 +0200 |
| commit | 07a2c01a0c2a0cb4581a67d50d4f17cb4d2457c4 (patch) | |
| tree | 2c01e2ee314cf62e5a96cf7c6bde49a377a446df /include/linux/dma-mapping.h | |
| parent | f6a32a36ab96016675cd414802904feb288d7899 (diff) | |
| download | lwn-07a2c01a0c2a0cb4581a67d50d4f17cb4d2457c4.tar.gz lwn-07a2c01a0c2a0cb4581a67d50d4f17cb4d2457c4.zip | |
convert swiotlb to use dma_get_mask
swiotlb can use dma_get_mask() instead of the homegrown function.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: tony.luck@intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/dma-mapping.h')
| -rw-r--r-- | include/linux/dma-mapping.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 0dba7433af18..ba9114ec5d3a 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -65,7 +65,7 @@ static inline int is_buffer_dma_capable(u64 mask, dma_addr_t addr, size_t size) static inline u64 dma_get_mask(struct device *dev) { - if (dev->dma_mask && *dev->dma_mask) + if (dev && dev->dma_mask && *dev->dma_mask) return *dev->dma_mask; return DMA_32BIT_MASK; } |