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;
 
diff --git a/net/ipv4/inet_lro.c b/net/ipv4/inet_lro.c
index cfd034a..6a667da 100644
--- a/net/ipv4/inet_lro.c
+++ b/net/ipv4/inet_lro.c
@@ -120,7 +120,7 @@
 	iph->check = ip_fast_csum((u8 *)lro_desc->iph, iph->ihl);
 
 	tcph->check = 0;
-	tcp_hdr_csum = csum_partial((u8 *)tcph, TCP_HDR_LEN(tcph), 0);
+	tcp_hdr_csum = csum_partial(tcph, TCP_HDR_LEN(tcph), 0);
 	lro_desc->data_csum = csum_add(lro_desc->data_csum, tcp_hdr_csum);
 	tcph->check = csum_tcpudp_magic(iph->saddr, iph->daddr,
 					lro_desc->ip_tot_len -
@@ -135,7 +135,7 @@
 	__wsum tcp_ps_hdr_csum;
 
 	tcp_csum = ~csum_unfold(tcph->check);
-	tcp_hdr_csum = csum_partial((u8 *)tcph, TCP_HDR_LEN(tcph), tcp_csum);
+	tcp_hdr_csum = csum_partial(tcph, TCP_HDR_LEN(tcph), tcp_csum);
 
 	tcp_ps_hdr_csum = csum_tcpudp_nofold(iph->saddr, iph->daddr,
 					     len + TCP_HDR_LEN(tcph),
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index b2e3ab2..5559fea 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -492,7 +492,7 @@
 		skb->csum_offset = offsetof(struct tcphdr, check);
 	} else {
 		th->check = tcp_v4_check(len, inet->saddr, inet->daddr,
-					 csum_partial((char *)th,
+					 csum_partial(th,
 						      th->doff << 2,
 						      skb->csum));
 	}
@@ -726,7 +726,7 @@
 		th->check = tcp_v4_check(skb->len,
 					 ireq->loc_addr,
 					 ireq->rmt_addr,
-					 csum_partial((char *)th, skb->len,
+					 csum_partial(th, skb->len,
 						      skb->csum));
 
 		err = ip_build_and_send_pkt(skb, sk, ireq->loc_addr,
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index be35100..a77b8d1 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -233,7 +233,7 @@
 	icmp6h->icmp6_cksum = 0;
 
 	if (skb_queue_len(&sk->sk_write_queue) == 1) {
-		skb->csum = csum_partial((char *)icmp6h,
+		skb->csum = csum_partial(icmp6h,
 					sizeof(struct icmp6hdr), skb->csum);
 		icmp6h->icmp6_cksum = csum_ipv6_magic(&fl->fl6_src,
 						      &fl->fl6_dst,
@@ -246,7 +246,7 @@
 			tmp_csum = csum_add(tmp_csum, skb->csum);
 		}
 
-		tmp_csum = csum_partial((char *)icmp6h,
+		tmp_csum = csum_partial(icmp6h,
 					sizeof(struct icmp6hdr), tmp_csum);
 		icmp6h->icmp6_cksum = csum_ipv6_magic(&fl->fl6_src,
 						      &fl->fl6_dst,
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);
 
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index fbf451c..af6705f 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -491,7 +491,7 @@
 
 	hdr->icmp6_cksum = csum_ipv6_magic(saddr, daddr, len,
 					   IPPROTO_ICMPV6,
-					   csum_partial((__u8 *) hdr,
+					   csum_partial(hdr,
 							len, 0));
 
 	return skb;
@@ -1612,7 +1612,7 @@
 
 	icmph->icmp6_cksum = csum_ipv6_magic(&saddr_buf, &ipv6_hdr(skb)->saddr,
 					     len, IPPROTO_ICMPV6,
-					     csum_partial((u8 *) icmph, len, 0));
+					     csum_partial(icmph, len, 0));
 
 	buff->dst = dst;
 	idev = in6_dev_get(dst->dev);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index b357870..a5d750a 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -501,7 +501,7 @@
 
 		th->check = tcp_v6_check(th, skb->len,
 					 &treq->loc_addr, &treq->rmt_addr,
-					 csum_partial((char *)th, skb->len, skb->csum));
+					 csum_partial(th, skb->len, skb->csum));
 
 		ipv6_addr_copy(&fl.fl6_dst, &treq->rmt_addr);
 		err = ip6_xmit(sk, skb, &fl, opt, 0);
@@ -915,7 +915,7 @@
 		skb->csum_offset = offsetof(struct tcphdr, check);
 	} else {
 		th->check = csum_ipv6_magic(&np->saddr, &np->daddr, len, IPPROTO_TCP,
-					    csum_partial((char *)th, th->doff<<2,
+					    csum_partial(th, th->doff<<2,
 							 skb->csum));
 	}
 }
@@ -997,7 +997,7 @@
 	}
 #endif
 
-	buff->csum = csum_partial((char *)t1, tot_len, 0);
+	buff->csum = csum_partial(t1, tot_len, 0);
 
 	memset(&fl, 0, sizeof(fl));
 	ipv6_addr_copy(&fl.fl6_dst, &ipv6_hdr(skb)->saddr);
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index f2cf3f5..ebc4a9a 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -216,7 +216,7 @@
 		return len;
 	}
 
-	*hashp = unix_hash_fold(csum_partial((char *)sunaddr, len, 0));
+	*hashp = unix_hash_fold(csum_partial(sunaddr, len, 0));
 	return len;
 }
 
@@ -686,7 +686,7 @@
 
 retry:
 	addr->len = sprintf(addr->name->sun_path+1, "%05x", ordernum) + 1 + sizeof(short);
-	addr->hash = unix_hash_fold(csum_partial((void *)addr->name, addr->len, 0));
+	addr->hash = unix_hash_fold(csum_partial(addr->name, addr->len, 0));
 
 	spin_lock(&unix_table_lock);
 	ordernum = (ordernum+1)&0xFFFFF;