[JHASH]: Use const in jhash2
Use const to avoid forcing users to cast const data.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/jhash.h b/include/linux/jhash.h
index 82c7ae4..2a2f99f 100644
--- a/include/linux/jhash.h
+++ b/include/linux/jhash.h
@@ -84,7 +84,7 @@
/* A special optimized version that handles 1 or more of u32s.
* The length parameter here is the number of u32s in the key.
*/
-static inline u32 jhash2(u32 *k, u32 length, u32 initval)
+static inline u32 jhash2(const u32 *k, u32 length, u32 initval)
{
u32 a, b, c, len;