[PATCH] scatterlist: Add const to sg_set_buf/sg_init_one pointer argument
This patch adds a const modifier to the buf argument of sg_set_buf and
sg_init_one. This lets people call it with pointers that are const.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index 66ff545..4efbd9c 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -5,7 +5,7 @@
#include <linux/mm.h>
#include <linux/string.h>
-static inline void sg_set_buf(struct scatterlist *sg, void *buf,
+static inline void sg_set_buf(struct scatterlist *sg, const void *buf,
unsigned int buflen)
{
sg->page = virt_to_page(buf);
@@ -13,7 +13,7 @@
sg->length = buflen;
}
-static inline void sg_init_one(struct scatterlist *sg, void *buf,
+static inline void sg_init_one(struct scatterlist *sg, const void *buf,
unsigned int buflen)
{
memset(sg, 0, sizeof(*sg));