ipv6: result of csum_fold() is already 16bit, no need to cast

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index c8c6e33d116340d8f1a902893c5e183d6ab118e2..2de3c464fe75b4e3bf1a57fd148dcc739d123761 100644 (file)
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -358,7 +358,7 @@ static int pim6_rcv(struct sk_buff *skb)
        if (pim->type != ((PIM_VERSION << 4) | PIM_REGISTER) ||
            (pim->flags & PIM_NULL_REGISTER) ||
            (ip_compute_csum((void *)pim, sizeof(*pim)) != 0 &&
-            (u16)csum_fold(skb_checksum(skb, 0, skb->len, 0))))
+            csum_fold(skb_checksum(skb, 0, skb->len, 0))))
                goto drop;
 
        /* check if the inner packet is destined to mcast group */