filter: use jhash2 instead of jhash for IPv6 addresses

Since an IPv6 address can be seen as an array of uint32_t. Use
the optimized jhash2() function instead of the generic jhash().

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/jhash.h b/include/jhash.h
index 38b8780..d164e38 100644
--- a/include/jhash.h
+++ b/include/jhash.h
@@ -87,7 +87,7 @@ static inline u32 jhash(const void *key, u32 length, u32 initval)
 /* 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;