net: return operator cleanup

Change "return (EXPR);" to "return EXPR;"

return is not a function, parentheses are not required.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

66 files changed, 169 insertions, 170 deletions

diff --git a/net/802/fc.c b/net/802/fc.c
index 34cf1ee014b8..1e49f2d4ea96 100644
--- a/net/802/fc.c
+++ b/net/802/fc.c
@@ -70,7 +70,7 @@ static int fc_header(struct sk_buff *skb, struct net_device *dev,
 	if(daddr)
 	{
 		memcpy(fch->daddr,daddr,dev->addr_len);
-		return(hdr_len);
+		return hdr_len;
 	}
 	return -hdr_len;
 }
diff --git a/net/802/fddi.c b/net/802/fddi.c
index 3ef0ab0a543a..94b3ad08f39a 100644
--- a/net/802/fddi.c
+++ b/net/802/fddi.c
@@ -82,10 +82,10 @@ static int fddi_header(struct sk_buff *skb, struct net_device *dev,
 	if (daddr != NULL)
 	{
 		memcpy(fddi->daddr, daddr, dev->addr_len);
-		return(hl);
+		return hl;
 	}
 
-	return(-hl);
+	return -hl;
 }
 
 
@@ -108,7 +108,7 @@ static int fddi_rebuild_header(struct sk_buff	*skb)
 	{
 		printk("%s: Don't know how to resolve type %04X addresses.\n",
 		       skb->dev->name, ntohs(fddi->hdr.llc_snap.ethertype));
-		return(0);
+		return 0;
 	}
 }
 
@@ -162,7 +162,7 @@ __be16 fddi_type_trans(struct sk_buff *skb, struct net_device *dev)
 
 	/* Assume 802.2 SNAP frames, for now */
 
-	return(type);
+	return type;
 }
 
 EXPORT_SYMBOL(fddi_type_trans);
@@ -170,9 +170,9 @@ EXPORT_SYMBOL(fddi_type_trans);
 int fddi_change_mtu(struct net_device *dev, int new_mtu)
 {
 	if ((new_mtu < FDDI_K_SNAP_HLEN) || (new_mtu > FDDI_K_SNAP_DLEN))
-		return(-EINVAL);
+		return -EINVAL;
 	dev->mtu = new_mtu;
-	return(0);
+	return 0;
 }
 EXPORT_SYMBOL(fddi_change_mtu);
 
diff --git a/net/802/hippi.c b/net/802/hippi.c
index cd3e8e929529..91aca8780fd0 100644
--- a/net/802/hippi.c
+++ b/net/802/hippi.c
@@ -152,7 +152,7 @@ int hippi_change_mtu(struct net_device *dev, int new_mtu)
 	if ((new_mtu < 68) || (new_mtu > 65280))
 		return -EINVAL;
 	dev->mtu = new_mtu;
-	return(0);
+	return 0;
 }
 EXPORT_SYMBOL(hippi_change_mtu);
 
diff --git a/net/802/tr.c b/net/802/tr.c
index 1c6e596074df..5e20cf8a074b 100644
--- a/net/802/tr.c
+++ b/net/802/tr.c
@@ -145,7 +145,7 @@ static int tr_header(struct sk_buff *skb, struct net_device *dev,
 	{
 		memcpy(trh->daddr,daddr,dev->addr_len);
 		tr_source_route(skb, trh, dev);
-		return(hdr_len);
+		return hdr_len;
 	}
 
 	return -hdr_len;
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 889f4ac4459a..0eb486d342dc 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -27,7 +27,7 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
 	else if (vlan_id)
 		goto drop;
 
-	return (polling ? netif_receive_skb(skb) : netif_rx(skb));
+	return polling ? netif_receive_skb(skb) : netif_rx(skb);
 
 drop:
 	dev_kfree_skb_any(skb);
diff --git a/net/9p/client.c b/net/9p/client.c
index dc6f2f26d023..f34b9f510818 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -61,13 +61,13 @@ static const match_table_t tokens = {
 
 inline int p9_is_proto_dotl(struct p9_client *clnt)
 {
-	return (clnt->proto_version == p9_proto_2000L);
+	return clnt->proto_version == p9_proto_2000L;
 }
 EXPORT_SYMBOL(p9_is_proto_dotl);
 
 inline int p9_is_proto_dotu(struct p9_client *clnt)
 {
-	return (clnt->proto_version == p9_proto_2000u);
+	return clnt->proto_version == p9_proto_2000u;
 }
 EXPORT_SYMBOL(p9_is_proto_dotu);
 
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 7dca91bb8c57..15ea84ba344e 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -179,13 +179,13 @@ static unsigned char rfcomm_crc_table[256] = {
 /* FCS on 2 bytes */
 static inline u8 __fcs(u8 *data)
 {
-	return (0xff - __crc(data));
+	return 0xff - __crc(data);
 }
 
 /* FCS on 3 bytes */
 static inline u8 __fcs2(u8 *data)
 {
-	return (0xff - rfcomm_crc_table[__crc(data) ^ data[2]]);
+	return 0xff - rfcomm_crc_table[__crc(data) ^ data[2]];
 }
 
 /* Check FCS */
diff --git a/net/core/flow.c b/net/core/flow.c
index b143b86b1f2a..127c8a7ffd61 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -176,8 +176,8 @@ static u32 flow_hash_code(struct flow_cache *fc,
 {
 	u32 *k = (u32 *) key;
 
-	return (jhash2(k, (sizeof(*key) / sizeof(u32)), fcp->hash_rnd)
-		& (flow_cache_hash_size(fc) - 1));
+	return jhash2(k, (sizeof(*key) / sizeof(u32)), fcp->hash_rnd)
+		& (flow_cache_hash_size(fc) - 1);
 }
 
 typedef unsigned long flow_compare_t;
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index a4e0a7482c2b..96b1a749abb4 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -122,7 +122,7 @@ static void neigh_cleanup_and_release(struct neighbour *neigh)
 
 unsigned long neigh_rand_reach_time(unsigned long base)
 {
-	return (base ? (net_random() % base) + (base >> 1) : 0);
+	return base ? (net_random() % base) + (base >> 1) : 0;
 }
 EXPORT_SYMBOL(neigh_rand_reach_time);
 
@@ -766,9 +766,9 @@ next_elt:
 static __inline__ int neigh_max_probes(struct neighbour *n)
 {
 	struct neigh_parms *p = n->parms;
-	return (n->nud_state & NUD_PROBE ?
+	return (n->nud_state & NUD_PROBE) ?
 		p->ucast_probes :
-		p->ucast_probes + p->app_probes + p->mcast_probes);
+		p->ucast_probes + p->app_probes + p->mcast_probes;
 }
 
 static void neigh_invalidate(struct neighbour *neigh)
diff --git a/net/core/utils.c b/net/core/utils.c
index ec6bb322f372..5fea0ab21902 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -75,7 +75,7 @@ __be32 in_aton(const char *str)
 				str++;
 		}
 	}
-	return(htonl(l));
+	return htonl(l);
 }
 EXPORT_SYMBOL(in_aton);
 
diff --git a/net/dccp/ccids/lib/loss_interval.c b/net/dccp/ccids/lib/loss_interval.c
index 8fc3cbf79071..497723c4d4bb 100644
--- a/net/dccp/ccids/lib/loss_interval.c
+++ b/net/dccp/ccids/lib/loss_interval.c
@@ -116,7 +116,7 @@ u8 tfrc_lh_update_i_mean(struct tfrc_loss_hist *lh, struct sk_buff *skb)
 	cur->li_length = len;
 	tfrc_lh_calc_i_mean(lh);
 
-	return (lh->i_mean < old_i_mean);
+	return lh->i_mean < old_i_mean;
 }
 
 /* Determine if `new_loss' does begin a new loss interval [RFC 4342, 10.2] */
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index baa98fb83552..f8c1ae4b41f0 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -392,7 +392,7 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
 		dev_queue_xmit(skb);
 		dev_put(dev);
 		mutex_unlock(&econet_mutex);
-		return(len);
+		return len;
 
 	out_free:
 		kfree_skb(skb);
@@ -637,7 +637,7 @@ static int econet_create(struct net *net, struct socket *sock, int protocol,
 	eo->num = protocol;
 
 	econet_insert_socket(&econet_sklist, sk);
-	return(0);
+	return 0;
 out:
 	return err;
 }
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 85e7b4551326..f00ef2f1d814 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -387,6 +387,6 @@ ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len)
 
 	l = _format_mac_addr(buf, PAGE_SIZE, addr, len);
 	l += scnprintf(buf + l, PAGE_SIZE - l, "\n");
-	return ((ssize_t) l);
+	return (ssize_t)l;
 }
 EXPORT_SYMBOL(sysfs_format_mac);
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index dcfe7e961c10..4083c186fd30 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -567,7 +567,7 @@ static inline int arp_fwd_proxy(struct in_device *in_dev,
 	if (out_dev)
 		omi = IN_DEV_MEDIUM_ID(out_dev);
 
-	return (omi != imi && omi != -1);
+	return omi != imi && omi != -1;
 }
 
 /*
diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c
index 721a8a37b45c..174be6caa5c8 100644
--- a/net/ipv4/datagram.c
+++ b/net/ipv4/datagram.c
@@ -73,6 +73,6 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	inet->inet_id = jiffies;
 
 	sk_dst_set(sk, &rt->dst);
-	return(0);
+	return 0;
 }
 EXPORT_SYMBOL(ip4_datagram_connect);
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index e5fa2ddce320..ba8042665849 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -425,7 +425,7 @@ static int inet_diag_bc_run(const void *bc, int len,
 			bc += op->no;
 		}
 	}
-	return (len == 0);
+	return len == 0;
 }
 
 static int valid_cc(const void *bc, int len, int cc)
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index f4dc879e258e..168440834ade 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -116,11 +116,11 @@ static int ip4_frag_match(struct inet_frag_queue *q, void *a)
 	struct ip4_create_arg *arg = a;
 
 	qp = container_of(q, struct ipq, q);
-	return (qp->id == arg->iph->id &&
+	return	qp->id == arg->iph->id &&
 			qp->saddr == arg->iph->saddr &&
 			qp->daddr == arg->iph->daddr &&
 			qp->protocol == arg->iph->protocol &&
-			qp->user == arg->user);
+			qp->user == arg->user;
 }
 
 /* Memory Tracking Functions. */
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 714b6a80361d..0967d02fefd8 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -659,7 +659,7 @@ drop:
 	rcu_read_unlock();
 drop_nolock:
 	kfree_skb(skb);
-	return(0);
+	return 0;
 }
 
 static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index e8f4f9a57f12..8b642f152468 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -72,7 +72,7 @@ static inline int arp_devaddr_compare(const struct arpt_devaddr_info *ap,
 	for (i = 0; i < len; i++)
 		ret |= (hdr_addr[i] ^ ap->addr[i]) & ap->mask[i];
 
-	return (ret != 0);
+	return ret != 0;
 }
 
 /*
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index e24d48dd99d3..ae1d4a41f1c6 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2791,7 +2791,7 @@ static int ipv4_dst_blackhole(struct net *net, struct rtable **rp, struct flowi
 
 	dst_release(&(*rp)->dst);
 	*rp = rt;
-	return (rt ? 0 : -ENOMEM);
+	return rt ? 0 : -ENOMEM;
 }
 
 int ip_route_output_flow(struct net *net, struct rtable **rp, struct flowi *flp,
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 1bc87a05c734..51966b3f9719 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2301,7 +2301,7 @@ static inline int tcp_dupack_heuristics(struct tcp_sock *tp)
 
 static inline int tcp_skb_timedout(struct sock *sk, struct sk_buff *skb)
 {
-	return (tcp_time_stamp - TCP_SKB_CB(skb)->when > inet_csk(sk)->icsk_rto);
+	return tcp_time_stamp - TCP_SKB_CB(skb)->when > inet_csk(sk)->icsk_rto;
 }
 
 static inline int tcp_head_timedout(struct sock *sk)
@@ -3398,8 +3398,8 @@ static void tcp_ack_probe(struct sock *sk)
 
 static inline int tcp_ack_is_dubious(const struct sock *sk, const int flag)
 {
-	return (!(flag & FLAG_NOT_DUP) || (flag & FLAG_CA_ALERT) ||
-		inet_csk(sk)->icsk_ca_state != TCP_CA_Open);
+	return !(flag & FLAG_NOT_DUP) || (flag & FLAG_CA_ALERT) ||
+		inet_csk(sk)->icsk_ca_state != TCP_CA_Open;
 }
 
 static inline int tcp_may_raise_cwnd(const struct sock *sk, const int flag)
@@ -3416,9 +3416,9 @@ static inline int tcp_may_update_window(const struct tcp_sock *tp,
 					const u32 ack, const u32 ack_seq,
 					const u32 nwin)
 {
-	return (after(ack, tp->snd_una) ||
+	return	after(ack, tp->snd_una) ||
 		after(ack_seq, tp->snd_wl1) ||
-		(ack_seq == tp->snd_wl1 && nwin > tp->snd_wnd));
+		(ack_seq == tp->snd_wl1 && nwin > tp->snd_wnd);
 }
 
 /* Update our send window.
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index f25b56cb85cb..43cf901d7659 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -55,7 +55,7 @@ static __inline__ int tcp_in_window(u32 seq, u32 end_seq, u32 s_win, u32 e_win)
 		return 1;
 	if (after(end_seq, s_win) && before(seq, e_win))
 		return 1;
-	return (seq == e_win && seq == end_seq);
+	return seq == e_win && seq == end_seq;
 }
 
 /*
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index ea09d2fd50c7..05b1ecf36763 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1370,9 +1370,9 @@ static inline int tcp_nagle_check(const struct tcp_sock *tp,
 				  const struct sk_buff *skb,
 				  unsigned mss_now, int nonagle)
 {
-	return (skb->len < mss_now &&
+	return skb->len < mss_now &&
 		((nonagle & TCP_NAGLE_CORK) ||
-		 (!nonagle && tp->packets_out && tcp_minshall_check(tp))));
+		 (!nonagle && tp->packets_out && tcp_minshall_check(tp)));
 }
 
 /* Return non-zero if the Nagle test allows this packet to be
@@ -1443,10 +1443,10 @@ int tcp_may_send_now(struct sock *sk)
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct sk_buff *skb = tcp_send_head(sk);
 
-	return (skb &&
+	return skb &&
 		tcp_snd_test(sk, skb, tcp_current_mss(sk),
 			     (tcp_skb_is_last(sk, skb) ?
-			      tp->nonagle : TCP_NAGLE_PUSH)));
+			      tp->nonagle : TCP_NAGLE_PUSH));
 }
 
 /* Trim TSO SKB to LEN bytes, put the remaining data into a new packet
diff --git a/net/ipv4/tcp_westwood.c b/net/ipv4/tcp_westwood.c
index 20151d6a6241..a534dda5456e 100644
--- a/net/ipv4/tcp_westwood.c
+++ b/net/ipv4/tcp_westwood.c
@@ -80,7 +80,7 @@ static void tcp_westwood_init(struct sock *sk)
  */
 static inline u32 westwood_do_filter(u32 a, u32 b)
 {
-	return (((7 * a) + b) >> 3);
+	return ((7 * a) + b) >> 3;
 }
 
 static void westwood_filter(struct westwood *w, u32 delta)
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 5bc893e28008..89aa54394a08 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -243,7 +243,7 @@ static inline bool addrconf_qdisc_ok(const struct net_device *dev)
 /* Check if a route is valid prefix route */
 static inline int addrconf_is_prefix_route(const struct rt6_info *rt)
 {
-	return ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0);
+	return (rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0;
 }
 
 static void addrconf_del_timer(struct inet6_ifaddr *ifp)
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index f0e774cea386..921dcf6c271a 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -513,10 +513,9 @@ static int ip6addrlbl_dump(struct sk_buff *skb, struct netlink_callback *cb)
 
 static inline int ip6addrlbl_msgsize(void)
 {
-	return (NLMSG_ALIGN(sizeof(struct ifaddrlblmsg))
+	return NLMSG_ALIGN(sizeof(struct ifaddrlblmsg))
 		+ nla_total_size(16)	/* IFAL_ADDRESS */
-		+ nla_total_size(4)	/* IFAL_LABEL */
-	);
+		+ nla_total_size(4);	/* IFAL_LABEL */
 }
 
 static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh,
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 56b9bf2516f4..60220985bb80 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -467,7 +467,7 @@ int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
 	if (ipv6_addr_type(&sin->sin6_addr) & IPV6_ADDR_LINKLOCAL)
 		sin->sin6_scope_id = sk->sk_bound_dev_if;
 	*uaddr_len = sizeof(*sin);
-	return(0);
+	return 0;
 }
 
 EXPORT_SYMBOL(inet6_getname);
@@ -488,7 +488,7 @@ int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 	case SIOCADDRT:
 	case SIOCDELRT:
 
-		return(ipv6_route_ioctl(net, cmd, (void __user *)arg));
+		return ipv6_route_ioctl(net, cmd, (void __user *)arg);
 
 	case SIOCSIFADDR:
 		return addrconf_add_ifaddr(net, (void __user *) arg);
@@ -502,7 +502,7 @@ int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		return sk->sk_prot->ioctl(sk, cmd, arg);
 	}
 	/*NOTREACHED*/
-	return(0);
+	return 0;
 }
 
 EXPORT_SYMBOL(inet6_ioctl);
diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c
index e1caa5d526c2..14ed0a955b56 100644
--- a/net/ipv6/exthdrs_core.c
+++ b/net/ipv6/exthdrs_core.c
@@ -13,12 +13,12 @@ int ipv6_ext_hdr(u8 nexthdr)
 	/*
 	 * find out if nexthdr is an extension header or a protocol
 	 */
-	return ( (nexthdr == NEXTHDR_HOP)	||
+	return   (n