include/net net/ - csum_partial - remove unnecessary casts

The first argument to csum_partial is const void *
casts to char/u8 * are not necessary

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index a76199e..870a1d6 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1817,7 +1817,7 @@
 
 	hdr->icmp6_cksum = csum_ipv6_magic(saddr, snd_addr, len,
 					   IPPROTO_ICMPV6,
-					   csum_partial((__u8 *) hdr, len, 0));
+					   csum_partial(hdr, len, 0));
 
 	idev = in6_dev_get(skb->dev);