[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 66ff545552f71ebe11a9cefc373d98fdeedbf321..4efbd9c445f5b3828590478cca2a3dac9c023d75 100644 (file)
--- 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 @@ static inline void sg_set_buf(struct scatterlist *sg, void *buf,
        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));