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[v3,4/9] netlink: Use default rhashtable hashfn

Message ID E1Ya2kI-0004Hq-V0@gondolin.me.apana.org.au
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Herbert Xu March 23, 2015, 1:50 p.m. UTC
This patch removes the explicit jhash value for the hashfn parameter
of rhashtable.  As the key length is a multiple of 4, this means that
we will actually end up using jhash2.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Thomas Graf <tgraf@suug.ch>

 net/netlink/af_netlink.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

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diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 6517921..e2f7f28 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -3133,13 +3133,12 @@  static inline u32 netlink_hash(const void *data, u32 seed)
 	struct netlink_compare_arg arg;
 	netlink_compare_arg_init(&arg, sock_net(&nlk->sk), nlk->portid);
-	return jhash(&arg, netlink_compare_arg_len, seed);
+	return jhash2((u32 *)&arg, netlink_compare_arg_len / sizeof(u32), seed);
 static const struct rhashtable_params netlink_rhashtable_params = {
 	.head_offset = offsetof(struct netlink_sock, node),
 	.key_len = netlink_compare_arg_len,
-	.hashfn = jhash,
 	.obj_hashfn = netlink_hash,
 	.obj_cmpfn = netlink_compare,
 	.max_size = 65536,