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[1/4] dma-mapping: Constify attrs passed to dma_get_attr

Message ID 1464071290-15948-2-git-send-email-k.kozlowski@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Krzysztof Kozlowski May 24, 2016, 6:28 a.m. UTC
The dma_get_attr() does not modify passed dma_attrs so the pointer can
point to const data.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
---
 include/linux/dma-attrs.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/include/linux/dma-attrs.h b/include/linux/dma-attrs.h
index 5246239a4953..f3c5aeadb100 100644
--- a/include/linux/dma-attrs.h
+++ b/include/linux/dma-attrs.h
@@ -60,7 +60,8 @@  static inline void dma_set_attr(enum dma_attr attr, struct dma_attrs *attrs)
  * @attr: attribute to set
  * @attrs: struct dma_attrs (may be NULL)
  */
-static inline int dma_get_attr(enum dma_attr attr, struct dma_attrs *attrs)
+static inline int dma_get_attr(enum dma_attr attr,
+			       const struct dma_attrs *attrs)
 {
 	if (attrs == NULL)
 		return 0;