diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 83ba5483455a..1b659ab652fb 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -916,8 +916,8 @@ static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface) u16 tvlv_len = 0; unsigned long send_time; - if ((hard_iface->if_status == BATADV_IF_NOT_IN_USE) || - (hard_iface->if_status == BATADV_IF_TO_BE_REMOVED)) + if (hard_iface->if_status == BATADV_IF_NOT_IN_USE || + hard_iface->if_status == BATADV_IF_TO_BE_REMOVED) return; /* the interface gets activated here to avoid race conditions between @@ -1264,7 +1264,7 @@ static bool batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node, * drops as they can't send and receive at the same time. */ tq_iface_penalty = BATADV_TQ_MAX_VALUE; - if (if_outgoing && (if_incoming == if_outgoing) && + if (if_outgoing && if_incoming == if_outgoing && batadv_is_wifi_hardif(if_outgoing)) tq_iface_penalty = batadv_hop_penalty(BATADV_TQ_MAX_VALUE, bat_priv); @@ -1369,7 +1369,7 @@ batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr, ret = BATADV_NEIGH_DUP; } else { set_mark = 0; - if (is_dup && (ret != BATADV_NEIGH_DUP)) + if (is_dup && ret != BATADV_NEIGH_DUP) ret = BATADV_ORIG_DUP; } @@ -1515,7 +1515,7 @@ batadv_iv_ogm_process_per_outif(const struct sk_buff *skb, int ogm_offset, /* drop packet if sender is not a direct neighbor and if we * don't route towards it */ - if (!is_single_hop_neigh && (!orig_neigh_router)) { + if (!is_single_hop_neigh && !orig_neigh_router) { batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: OGM via unknown neighbor!\n"); goto out_neigh; @@ -1535,7 +1535,7 @@ batadv_iv_ogm_process_per_outif(const struct sk_buff *skb, int ogm_offset, sameseq = orig_ifinfo->last_real_seqno == ntohl(ogm_packet->seqno); similar_ttl = (orig_ifinfo->last_ttl - 3) <= ogm_packet->ttl; - if (is_bidirect && ((dup_status == BATADV_NO_DUP) || + if (is_bidirect && (dup_status == BATADV_NO_DUP || (sameseq && similar_ttl))) { batadv_iv_ogm_orig_update(bat_priv, orig_node, orig_ifinfo, ethhdr, @@ -1553,8 +1553,8 @@ batadv_iv_ogm_process_per_outif(const struct sk_buff *skb, int ogm_offset, /* OGMs from secondary interfaces should only scheduled once * per interface where it has been received, not multiple times */ - if ((ogm_packet->ttl <= 2) && - (if_incoming != if_outgoing)) { + if (ogm_packet->ttl <= 2 && + if_incoming != if_outgoing) { batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: OGM from secondary interface and wrong outgoing interface\n"); goto out_neigh; @@ -1590,7 +1590,7 @@ batadv_iv_ogm_process_per_outif(const struct sk_buff *skb, int ogm_offset, if_incoming, if_outgoing); out_neigh: - if ((orig_neigh_node) && (!is_single_hop_neigh)) + if (orig_neigh_node && !is_single_hop_neigh) batadv_orig_node_put(orig_neigh_node); out: if (router_ifinfo) @@ -2523,9 +2523,9 @@ batadv_iv_gw_get_best_gw_node(struct batadv_priv *bat_priv) tmp_gw_factor *= 100 * 100; tmp_gw_factor >>= 18; - if ((tmp_gw_factor > max_gw_factor) || - ((tmp_gw_factor == max_gw_factor) && - (tq_avg > max_tq))) { + if (tmp_gw_factor > max_gw_factor || + (tmp_gw_factor == max_gw_factor && + tq_avg > max_tq)) { if (curr_gw) batadv_gw_node_put(curr_gw); curr_gw = gw_node; diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c index 4e2724c5b33d..93ef1c06227e 100644 --- a/net/batman-adv/bat_v.c +++ b/net/batman-adv/bat_v.c @@ -767,7 +767,7 @@ batadv_v_gw_get_best_gw_node(struct batadv_priv *bat_priv) if (batadv_v_gw_throughput_get(gw_node, &bw) < 0) goto next; - if (curr_gw && (bw <= max_bw)) + if (curr_gw && bw <= max_bw) goto next; if (curr_gw) diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c index bd1064d98e16..1de992c58b35 100644 --- a/net/batman-adv/bat_v_elp.c +++ b/net/batman-adv/bat_v_elp.c @@ -134,7 +134,7 @@ static u32 batadv_v_elp_get_throughput(struct batadv_hardif_neigh_node *neigh) hard_iface->bat_v.flags &= ~BATADV_FULL_DUPLEX; throughput = link_settings.base.speed; - if (throughput && (throughput != SPEED_UNKNOWN)) + if (throughput && throughput != SPEED_UNKNOWN) return throughput * 10; } @@ -263,8 +263,8 @@ static void batadv_v_elp_periodic_work(struct work_struct *work) goto out; /* we are in the process of shutting this interface down */ - if ((hard_iface->if_status == BATADV_IF_NOT_IN_USE) || - (hard_iface->if_status == BATADV_IF_TO_BE_REMOVED)) + if (hard_iface->if_status == BATADV_IF_NOT_IN_USE || + hard_iface->if_status == BATADV_IF_TO_BE_REMOVED) goto out; /* the interface was enabled but may not be ready yet */ diff --git a/net/batman-adv/bat_v_ogm.c b/net/batman-adv/bat_v_ogm.c index 8be61734fc43..c251445a42a0 100644 --- a/net/batman-adv/bat_v_ogm.c +++ b/net/batman-adv/bat_v_ogm.c @@ -304,8 +304,8 @@ static u32 batadv_v_forward_penalty(struct batadv_priv *bat_priv, * due to the store & forward characteristics of WIFI. * Very low throughput values are the exception. */ - if ((throughput > 10) && - (if_incoming == if_outgoing) && + if (throughput > 10 && + if_incoming == if_outgoing && !(if_incoming->bat_v.flags & BATADV_FULL_DUPLEX)) return throughput / 2; @@ -455,7 +455,7 @@ static int batadv_v_ogm_metric_update(struct batadv_priv *bat_priv, /* drop packets with old seqnos, however accept the first packet after * a host has been rebooted. */ - if ((seq_diff < 0) && !protection_started) + if (seq_diff < 0 && !protection_started) goto out; neigh_node->last_seen = jiffies; @@ -568,8 +568,8 @@ static bool batadv_v_ogm_route_update(struct batadv_priv *bat_priv, router_throughput = router_ifinfo->bat_v.throughput; neigh_throughput = neigh_ifinfo->bat_v.throughput; - if ((neigh_seq_diff < BATADV_OGM_MAX_ORIGDIFF) && - (router_throughput >= neigh_throughput)) + if (neigh_seq_diff < BATADV_OGM_MAX_ORIGDIFF && + router_throughput >= neigh_throughput) goto out; } @@ -621,7 +621,7 @@ batadv_v_ogm_process_per_outif(struct batadv_priv *bat_priv, return; /* only unknown & newer OGMs contain TVLVs we are interested in */ - if ((seqno_age > 0) && (if_outgoing == BATADV_IF_DEFAULT)) + if (seqno_age > 0 && if_outgoing == BATADV_IF_DEFAULT) batadv_tvlv_containers_process(bat_priv, true, orig_node, NULL, NULL, (unsigned char *)(ogm2 + 1), diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c index b6cfa78e9381..760c0de72582 100644 --- a/net/batman-adv/distributed-arp-table.c +++ b/net/batman-adv/distributed-arp-table.c @@ -492,8 +492,8 @@ static bool batadv_is_orig_node_eligible(struct batadv_dat_candidate *res, /* this is an hash collision with the temporary selected node. Choose * the one with the lowest address */ - if ((tmp_max == max) && max_orig_node && - (batadv_compare_eth(candidate->orig, max_orig_node->orig) > 0)) + if (tmp_max == max && max_orig_node && + batadv_compare_eth(candidate->orig, max_orig_node->orig) > 0) goto out; ret = true; diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index de9955d5224d..10d521f0b17f 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -248,12 +248,12 @@ void batadv_gw_election(struct batadv_priv *bat_priv) } } - if ((curr_gw) && (!next_gw)) { + if (curr_gw && !next_gw) { batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Removing selected gateway - no gateway in range\n"); batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_DEL, NULL); - } else if ((!curr_gw) && (next_gw)) { + } else if (!curr_gw && next_gw) { batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Adding route to gateway %pM (bandwidth: %u.%u/%u.%u MBit, tq: %i)\n", next_gw->orig_node->orig, @@ -411,8 +411,8 @@ void batadv_gw_node_update(struct batadv_priv *bat_priv, goto out; } - if ((gw_node->bandwidth_down == ntohl(gateway->bandwidth_down)) && - (gw_node->bandwidth_up == ntohl(gateway->bandwidth_up))) + if (gw_node->bandwidth_down == ntohl(gateway->bandwidth_down) && + gw_node->bandwidth_up == ntohl(gateway->bandwidth_up)) goto out; batadv_dbg(BATADV_DBG_BATMAN, bat_priv, diff --git a/net/batman-adv/gateway_common.c b/net/batman-adv/gateway_common.c index 33940c5c74a8..2c26039c23fc 100644 --- a/net/batman-adv/gateway_common.c +++ b/net/batman-adv/gateway_common.c @@ -56,8 +56,8 @@ bool batadv_parse_throughput(struct net_device *net_dev, char *buff, if (strncasecmp(tmp_ptr, "mbit", 4) == 0) bw_unit_type = BATADV_BW_UNIT_MBIT; - if ((strncasecmp(tmp_ptr, "kbit", 4) == 0) || - (bw_unit_type == BATADV_BW_UNIT_MBIT)) + if (strncasecmp(tmp_ptr, "kbit", 4) == 0 || + bw_unit_type == BATADV_BW_UNIT_MBIT) *tmp_ptr = '\0'; } @@ -190,7 +190,7 @@ ssize_t batadv_gw_bandwidth_set(struct net_device *net_dev, char *buff, if (!up_new) up_new = 1; - if ((down_curr == down_new) && (up_curr == up_new)) + if (down_curr == down_new && up_curr == up_new) return count; batadv_gw_reselect(bat_priv); @@ -224,16 +224,16 @@ static void batadv_gw_tvlv_ogm_handler_v1(struct batadv_priv *bat_priv, /* only fetch the tvlv value if the handler wasn't called via the * CIFNOTFND flag and if there is data to fetch */ - if ((flags & BATADV_TVLV_HANDLER_OGM_CIFNOTFND) || - (tvlv_value_len < sizeof(gateway))) { + if (flags & BATADV_TVLV_HANDLER_OGM_CIFNOTFND || + tvlv_value_len < sizeof(gateway)) { gateway.bandwidth_down = 0; gateway.bandwidth_up = 0; } else { gateway_ptr = tvlv_value; gateway.bandwidth_down = gateway_ptr->bandwidth_down; gateway.bandwidth_up = gateway_ptr->bandwidth_up; - if ((gateway.bandwidth_down == 0) || - (gateway.bandwidth_up == 0)) { + if (gateway.bandwidth_down == 0 || + gateway.bandwidth_up == 0) { gateway.bandwidth_down = 0; gateway.bandwidth_up = 0; } @@ -242,8 +242,8 @@ static void batadv_gw_tvlv_ogm_handler_v1(struct batadv_priv *bat_priv, batadv_gw_node_update(bat_priv, orig, &gateway); /* restart gateway selection */ - if ((gateway.bandwidth_down != 0) && - (atomic_read(&bat_priv->gw.mode) == BATADV_GW_MODE_CLIENT)) + if (gateway.bandwidth_down != 0 && + atomic_read(&bat_priv->gw.mode) == BATADV_GW_MODE_CLIENT) batadv_gw_check_election(bat_priv, orig); } diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index e348f76ea8c1..d4aa99c060f9 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -504,8 +504,8 @@ static void batadv_check_known_mac_addr(const struct net_device *net_dev) rcu_read_lock(); list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { - if ((hard_iface->if_status != BATADV_IF_ACTIVE) && - (hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED)) + if (hard_iface->if_status != BATADV_IF_ACTIVE && + hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED) continue; if (hard_iface->net_dev == net_dev) @@ -568,8 +568,8 @@ int batadv_hardif_min_mtu(struct net_device *soft_iface) rcu_read_lock(); list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { - if ((hard_iface->if_status != BATADV_IF_ACTIVE) && - (hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED)) + if (hard_iface->if_status != BATADV_IF_ACTIVE && + hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED) continue; if (hard_iface->soft_iface != soft_iface) @@ -654,8 +654,8 @@ out: static void batadv_hardif_deactivate_interface(struct batadv_hard_iface *hard_iface) { - if ((hard_iface->if_status != BATADV_IF_ACTIVE) && - (hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED)) + if (hard_iface->if_status != BATADV_IF_ACTIVE && + hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED) return; hard_iface->if_status = BATADV_IF_INACTIVE; diff --git a/net/batman-adv/icmp_socket.c b/net/batman-adv/icmp_socket.c index 8ead292886d1..bded31121d12 100644 --- a/net/batman-adv/icmp_socket.c +++ b/net/batman-adv/icmp_socket.c @@ -132,10 +132,10 @@ static ssize_t batadv_socket_read(struct file *file, char __user *buf, size_t packet_len; int error; - if ((file->f_flags & O_NONBLOCK) && (socket_client->queue_len == 0)) + if ((file->f_flags & O_NONBLOCK) && socket_client->queue_len == 0) return -EAGAIN; - if ((!buf) || (count < sizeof(struct batadv_icmp_packet))) + if (!buf || count < sizeof(struct batadv_icmp_packet)) return -EINVAL; if (!access_ok(VERIFY_WRITE, buf, count)) diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index fb381fb26a66..033819aefc39 100644 --- a/net/batman-adv/main.c +++ b/net/batman-adv/main.c @@ -544,8 +544,8 @@ batadv_recv_handler_register(u8 packet_type, struct batadv_hard_iface *); curr = batadv_rx_handler[packet_type]; - if ((curr != batadv_recv_unhandled_packet) && - (curr != batadv_recv_unhandled_unicast_packet)) + if (curr != batadv_recv_unhandled_packet && + curr != batadv_recv_unhandled_unicast_packet) return -EBUSY; batadv_rx_handler[packet_type] = recv_handler; diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c index d327670641ac..e553a8770a89 100644 --- a/net/batman-adv/multicast.c +++ b/net/batman-adv/multicast.c @@ -1126,7 +1126,7 @@ static void batadv_mcast_tvlv_ogm_handler(struct batadv_priv *bat_priv, bool orig_initialized; if (orig_mcast_enabled && tvlv_value && - (tvlv_value_len >= sizeof(mcast_flags))) + tvlv_value_len >= sizeof(mcast_flags)) mcast_flags = *(u8 *)tvlv_value; spin_lock_bh(&orig->mcast_handler_lock); diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index 8e2a4b205257..2967b86c13da 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -1062,9 +1062,9 @@ batadv_purge_neigh_ifinfo(struct batadv_priv *bat_priv, continue; /* don't purge if the interface is not (going) down */ - if ((if_outgoing->if_status != BATADV_IF_INACTIVE) && - (if_outgoing->if_status != BATADV_IF_NOT_IN_USE) && - (if_outgoing->if_status != BATADV_IF_TO_BE_REMOVED)) + if (if_outgoing->if_status != BATADV_IF_INACTIVE && + if_outgoing->if_status != BATADV_IF_NOT_IN_USE && + if_outgoing->if_status != BATADV_IF_TO_BE_REMOVED) continue; batadv_dbg(BATADV_DBG_BATMAN, bat_priv, @@ -1106,9 +1106,9 @@ batadv_purge_orig_ifinfo(struct batadv_priv *bat_priv, continue; /* don't purge if the interface is not (going) down */ - if ((if_outgoing->if_status != BATADV_IF_INACTIVE) && - (if_outgoing->if_status != BATADV_IF_NOT_IN_USE) && - (if_outgoing->if_status != BATADV_IF_TO_BE_REMOVED)) + if (if_outgoing->if_status != BATADV_IF_INACTIVE && + if_outgoing->if_status != BATADV_IF_NOT_IN_USE && + if_outgoing->if_status != BATADV_IF_TO_BE_REMOVED) continue; batadv_dbg(BATADV_DBG_BATMAN, bat_priv, @@ -1155,13 +1155,13 @@ batadv_purge_orig_neighbors(struct batadv_priv *bat_priv, last_seen = neigh_node->last_seen; if_incoming = neigh_node->if_incoming; - if ((batadv_has_timed_out(last_seen, BATADV_PURGE_TIMEOUT)) || - (if_incoming->if_status == BATADV_IF_INACTIVE) || - (if_incoming->if_status == BATADV_IF_NOT_IN_USE) || - (if_incoming->if_status == BATADV_IF_TO_BE_REMOVED)) { - if ((if_incoming->if_status == BATADV_IF_INACTIVE) || - (if_incoming->if_status == BATADV_IF_NOT_IN_USE) || - (if_incoming->if_status == BATADV_IF_TO_BE_REMOVED)) + if (batadv_has_timed_out(last_seen, BATADV_PURGE_TIMEOUT) || + if_incoming->if_status == BATADV_IF_INACTIVE || + if_incoming->if_status == BATADV_IF_NOT_IN_USE || + if_incoming->if_status == BATADV_IF_TO_BE_REMOVED) { + if (if_incoming->if_status == BATADV_IF_INACTIVE || + if_incoming->if_status == BATADV_IF_NOT_IN_USE || + if_incoming->if_status == BATADV_IF_TO_BE_REMOVED) batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "neighbor purge: originator %pM, neighbor: %pM, iface: %s\n", orig_node->orig, neigh_node->addr, diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index f10e3ff26f9d..40d9bf3e5bfe 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -93,14 +93,14 @@ static void _batadv_update_route(struct batadv_priv *bat_priv, batadv_orig_ifinfo_put(orig_ifinfo); /* route deleted */ - if ((curr_router) && (!neigh_node)) { + if (curr_router && !neigh_node) { batadv_dbg(BATADV_DBG_ROUTES, bat_priv, "Deleting route towards: %pM\n", orig_node->orig); batadv_tt_global_del_orig(bat_priv, orig_node, -1, "Deleted route towards originator"); /* route added */ - } else if ((!curr_router) && (neigh_node)) { + } else if (!curr_router && neigh_node) { batadv_dbg(BATADV_DBG_ROUTES, bat_priv, "Adding route towards: %pM (via %pM)\n", orig_node->orig, neigh_node->addr); @@ -381,7 +381,7 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, /* add record route information if not full */ if ((icmph->msg_type == BATADV_ECHO_REPLY || icmph->msg_type == BATADV_ECHO_REQUEST) && - (skb->len >= sizeof(struct batadv_icmp_packet_rr))) { + skb->len >= sizeof(struct batadv_icmp_packet_rr)) { if (skb_linearize(skb) < 0) goto free_skb; diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c index 054a65e6eb68..7895323fd2a7 100644 --- a/net/batman-adv/send.c +++ b/net/batman-adv/send.c @@ -142,7 +142,7 @@ int batadv_send_unicast_skb(struct sk_buff *skb, #ifdef CONFIG_BATMAN_ADV_BATMAN_V hardif_neigh = batadv_hardif_neigh_get(neigh->if_incoming, neigh->addr); - if ((hardif_neigh) && (ret != NET_XMIT_DROP)) + if (hardif_neigh && ret != NET_XMIT_DROP) hardif_neigh->bat_v.last_unicast_tx = jiffies; if (hardif_neigh) @@ -615,8 +615,8 @@ batadv_forw_packet_list_steal(struct hlist_head *forw_list, * we delete only packets belonging to the given interface */ if (hard_iface && - (forw_packet->if_incoming != hard_iface) && - (forw_packet->if_outgoing != hard_iface)) + forw_packet->if_incoming != hard_iface && + forw_packet->if_outgoing != hard_iface) continue; hlist_del(&forw_packet->list); diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index c2c986746d0b..7c8288245f80 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -160,7 +160,7 @@ static int batadv_interface_set_mac_addr(struct net_device *dev, void *p) static int batadv_interface_change_mtu(struct net_device *dev, int new_mtu) { /* check ranges */ - if ((new_mtu < 68) || (new_mtu > batadv_hardif_min_mtu(dev))) + if (new_mtu < 68 || new_mtu > batadv_hardif_min_mtu(dev)) return -EINVAL; dev->mtu = new_mtu; diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c index 0ae8b30e4eaa..aa187fd42475 100644 --- a/net/batman-adv/sysfs.c +++ b/net/batman-adv/sysfs.c @@ -925,8 +925,8 @@ static int batadv_store_mesh_iface_finish(struct net_device *net_dev, if (hard_iface->if_status == status_tmp) goto out; - if ((hard_iface->soft_iface) && - (strncmp(hard_iface->soft_iface->name, ifname, IFNAMSIZ) == 0)) + if (hard_iface->soft_iface && + strncmp(hard_iface->soft_iface->name, ifname, IFNAMSIZ) == 0) goto out; if (status_tmp == BATADV_IF_NOT_IN_USE) { diff --git a/net/batman-adv/tp_meter.c b/net/batman-adv/tp_meter.c index bfe8effe9238..4b90033f35a8 100644 --- a/net/batman-adv/tp_meter.c +++ b/net/batman-adv/tp_meter.c @@ -1206,7 +1206,7 @@ static int batadv_tp_send_ack(struct batadv_priv *bat_priv, const u8 *dst, /* send the ack */ r = batadv_send_skb_to_orig(skb, orig_node, NULL); - if (unlikely(r < 0) || (r == NET_XMIT_DROP)) { + if (unlikely(r < 0) || r == NET_XMIT_DROP) { ret = BATADV_TP_REASON_DST_UNREACHABLE; goto out; }