net: packet: use reciprocal_divide in fanout_demux_hash
Instead of hard-coding reciprocal_divide function, use the inline
function from reciprocal_div.h.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index bee9bfd..2e8286b 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1135,7 +1135,7 @@
struct sk_buff *skb,
unsigned int num)
{
- return (((u64)skb->rxhash) * num) >> 32;
+ return reciprocal_divide(skb->rxhash, num);
}
static unsigned int fanout_demux_lb(struct packet_fanout *f,