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/core/netpoll.c b/net/core/netpoll.c
index 34f5d07..fc4e28e 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -343,7 +343,7 @@
 	udph->check = csum_tcpudp_magic(htonl(np->local_ip),
 					htonl(np->remote_ip),
 					udp_len, IPPROTO_UDP,
-					csum_partial((unsigned char *)udph, udp_len, 0));
+					csum_partial(udph, udp_len, 0));
 	if (udph->check == 0)
 		udph->check = CSUM_MANGLED_0;