Skip to content

L
linux
Commit a2b7b148 authored by Sven Eckelmann's avatar Sven Eckelmann Committed by Simon Wunderlich
Browse files
Options

batman-adv: Drop NULL check before dropping references 

The check if a batman-adv related object is NULL or not is now directly in
the batadv_*_put functions. It is not needed anymore to perform this check
outside these function:

The changes were generated using a coccinelle semantic patch:

  @@
  expression E;
  @@
  - if (likely(E != NULL))
  (
  batadv_backbone_gw_put
  |
  batadv_claim_put
  |
  batadv_dat_entry_put
  |
  batadv_gw_node_put
  |
  batadv_hardif_neigh_put
  |
  batadv_hardif_put
  |
  batadv_nc_node_put
  |
  batadv_nc_path_put
  |
  batadv_neigh_ifinfo_put
  |
  batadv_neigh_node_put
  |
  batadv_orig_ifinfo_put
  |
  batadv_orig_node_put
  |
  batadv_orig_node_vlan_put
  |
  batadv_softif_vlan_put
  |
  batadv_tp_vars_put
  |
  batadv_tt_global_entry_put
  |
  batadv_tt_local_entry_put
  |
  batadv_tt_orig_list_entry_put
  |
  batadv_tt_req_node_put
  |
  batadv_tvlv_container_put
  |
  batadv_tvlv_handler_put
  )(E);
Signed-off-by: default avatarSven Eckelmann <sven@narfation.org>
Signed-off-by: default avatarSimon Wunderlich <sw@simonwunderlich.de>
parent e78783da
Hide whitespace changes
Inline Side-by-side
Showing with 169 additions and 337 deletions
net/batman-adv/bat_iv_ogm.c
View file @ a2b7b148
......@@ -519,8 +519,7 @@ batadv_iv_ogm_can_aggregate(const struct batadv_ogm_packet *new_bat_ogm_packet,
}
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
return res;
}
......@@ -857,8 +856,7 @@ static void batadv_iv_ogm_schedule_buff(struct batadv_hard_iface *hard_iface)
rcu_read_unlock();
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
}
static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
......@@ -1046,14 +1044,10 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv,
unlock:
rcu_read_unlock();
out:
if (neigh_node)
batadv_neigh_node_put(neigh_node);
if (router)
batadv_neigh_node_put(router);
if (neigh_ifinfo)
batadv_neigh_ifinfo_put(neigh_ifinfo);
if (router_ifinfo)
batadv_neigh_ifinfo_put(router_ifinfo);
batadv_neigh_node_put(neigh_node);
batadv_neigh_node_put(router);
batadv_neigh_ifinfo_put(neigh_ifinfo);
batadv_neigh_ifinfo_put(router_ifinfo);
}
/**
......@@ -1194,8 +1188,7 @@ static bool batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node,
ret = true;
out:
if (neigh_node)
batadv_neigh_node_put(neigh_node);
batadv_neigh_node_put(neigh_node);
return ret;
}
......@@ -1496,16 +1489,11 @@ batadv_iv_ogm_process_per_outif(const struct sk_buff *skb, int ogm_offset,
if (orig_neigh_node && !is_single_hop_neigh)
batadv_orig_node_put(orig_neigh_node);
out:
if (router_ifinfo)
batadv_neigh_ifinfo_put(router_ifinfo);
if (router)
batadv_neigh_node_put(router);
if (router_router)
batadv_neigh_node_put(router_router);
if (orig_neigh_router)
batadv_neigh_node_put(orig_neigh_router);
if (hardif_neigh)
batadv_hardif_neigh_put(hardif_neigh);
batadv_neigh_ifinfo_put(router_ifinfo);
batadv_neigh_node_put(router);
batadv_neigh_node_put(router_router);
batadv_neigh_node_put(orig_neigh_router);
batadv_hardif_neigh_put(hardif_neigh);
consume_skb(skb_priv);
}
......@@ -1926,8 +1914,7 @@ batadv_iv_ogm_orig_dump_entry(struct sk_buff *msg, u32 portid, u32 seq,
}
out:
if (neigh_node_best)
batadv_neigh_node_put(neigh_node_best);
batadv_neigh_node_put(neigh_node_best);
*sub_s = 0;
return 0;
......@@ -2049,10 +2036,8 @@ static bool batadv_iv_ogm_neigh_diff(struct batadv_neigh_node *neigh1,
*diff = (int)tq1 - (int)tq2;
out:
if (neigh1_ifinfo)
batadv_neigh_ifinfo_put(neigh1_ifinfo);
if (neigh2_ifinfo)
batadv_neigh_ifinfo_put(neigh2_ifinfo);
batadv_neigh_ifinfo_put(neigh1_ifinfo);
batadv_neigh_ifinfo_put(neigh2_ifinfo);
return ret;
}
......@@ -2299,8 +2284,7 @@ batadv_iv_gw_get_best_gw_node(struct batadv_priv *bat_priv)
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);
batadv_gw_node_put(curr_gw);
curr_gw = gw_node;
kref_get(&curr_gw->refcount);
}
......@@ -2314,8 +2298,7 @@ batadv_iv_gw_get_best_gw_node(struct batadv_priv *bat_priv)
* $routing_class more tq points)
*/
if (tq_avg > max_tq) {
if (curr_gw)
batadv_gw_node_put(curr_gw);
batadv_gw_node_put(curr_gw);
curr_gw = gw_node;
kref_get(&curr_gw->refcount);
}
......@@ -2332,8 +2315,7 @@ batadv_iv_gw_get_best_gw_node(struct batadv_priv *bat_priv)
next:
batadv_neigh_node_put(router);
if (router_ifinfo)
batadv_neigh_ifinfo_put(router_ifinfo);
batadv_neigh_ifinfo_put(router_ifinfo);
}
rcu_read_unlock();
......@@ -2397,14 +2379,10 @@ static bool batadv_iv_gw_is_eligible(struct batadv_priv *bat_priv,
ret = true;
out:
if (router_gw_ifinfo)
batadv_neigh_ifinfo_put(router_gw_ifinfo);
if (router_orig_ifinfo)
batadv_neigh_ifinfo_put(router_orig_ifinfo);
if (router_gw)
batadv_neigh_node_put(router_gw);
if (router_orig)
batadv_neigh_node_put(router_orig);
batadv_neigh_ifinfo_put(router_gw_ifinfo);
batadv_neigh_ifinfo_put(router_orig_ifinfo);
batadv_neigh_node_put(router_gw);
batadv_neigh_node_put(router_orig);
return ret;
}
......@@ -2479,12 +2457,9 @@ static int batadv_iv_gw_dump_entry(struct sk_buff *msg, u32 portid,
ret = 0;
out:
if (curr_gw)
batadv_gw_node_put(curr_gw);
if (router_ifinfo)
batadv_neigh_ifinfo_put(router_ifinfo);
if (router)
batadv_neigh_node_put(router);
batadv_gw_node_put(curr_gw);
batadv_neigh_ifinfo_put(router_ifinfo);
batadv_neigh_node_put(router);
return ret;
}
......
net/batman-adv/bat_v.c
View file @ a2b7b148
......@@ -106,8 +106,7 @@ static void batadv_v_iface_update_mac(struct batadv_hard_iface *hard_iface)
batadv_v_primary_iface_set(hard_iface);
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
}
static void
......@@ -366,8 +365,7 @@ batadv_v_orig_dump_entry(struct sk_buff *msg, u32 portid, u32 seq,
}
out:
if (neigh_node_best)
batadv_neigh_node_put(neigh_node_best);
batadv_neigh_node_put(neigh_node_best);
*sub_s = 0;
return 0;
......@@ -568,10 +566,8 @@ static int batadv_v_gw_throughput_get(struct batadv_gw_node *gw_node, u32 *bw)
ret = 0;
out:
if (router)
batadv_neigh_node_put(router);
if (router_ifinfo)
batadv_neigh_ifinfo_put(router_ifinfo);
batadv_neigh_node_put(router);
batadv_neigh_ifinfo_put(router_ifinfo);
return ret;
}
......@@ -599,8 +595,7 @@ batadv_v_gw_get_best_gw_node(struct batadv_priv *bat_priv)
if (curr_gw && bw <= max_bw)
goto next;
if (curr_gw)
batadv_gw_node_put(curr_gw);
batadv_gw_node_put(curr_gw);
curr_gw = gw_node;
kref_get(&curr_gw->refcount);
......@@ -662,10 +657,8 @@ static bool batadv_v_gw_is_eligible(struct batadv_priv *bat_priv,
ret = true;
out:
if (curr_gw)
batadv_gw_node_put(curr_gw);
if (orig_gw)
batadv_gw_node_put(orig_gw);
batadv_gw_node_put(curr_gw);
batadv_gw_node_put(orig_gw);
return ret;
}
......@@ -764,12 +757,9 @@ static int batadv_v_gw_dump_entry(struct sk_buff *msg, u32 portid,
ret = 0;
out:
if (curr_gw)
batadv_gw_node_put(curr_gw);
if (router_ifinfo)
batadv_neigh_ifinfo_put(router_ifinfo);
if (router)
batadv_neigh_node_put(router);
batadv_gw_node_put(curr_gw);
batadv_neigh_ifinfo_put(router_ifinfo);
batadv_neigh_node_put(router);
return ret;
}
......
net/batman-adv/bat_v_elp.c
View file @ a2b7b148
......@@ -486,14 +486,11 @@ static void batadv_v_elp_neigh_update(struct batadv_priv *bat_priv,
hardif_neigh->bat_v.elp_interval = ntohl(elp_packet->elp_interval);
hardif_free:
if (hardif_neigh)
batadv_hardif_neigh_put(hardif_neigh);
batadv_hardif_neigh_put(hardif_neigh);
neigh_free:
if (neigh)
batadv_neigh_node_put(neigh);
batadv_neigh_node_put(neigh);
orig_free:
if (orig_neigh)
batadv_orig_node_put(orig_neigh);
batadv_orig_node_put(orig_neigh);
}
/**
......
net/batman-adv/bat_v_ogm.c
View file @ a2b7b148
......@@ -584,12 +584,9 @@ static void batadv_v_ogm_forward(struct batadv_priv *bat_priv,
batadv_v_ogm_queue_on_if(skb, if_outgoing);
out:
if (orig_ifinfo)
batadv_orig_ifinfo_put(orig_ifinfo);
if (router)
batadv_neigh_node_put(router);
if (neigh_ifinfo)
batadv_neigh_ifinfo_put(neigh_ifinfo);
batadv_orig_ifinfo_put(orig_ifinfo);
batadv_neigh_node_put(router);
batadv_neigh_ifinfo_put(neigh_ifinfo);
}
/**
......@@ -669,10 +666,8 @@ static int batadv_v_ogm_metric_update(struct batadv_priv *bat_priv,
else
ret = 0;
out:
if (orig_ifinfo)
batadv_orig_ifinfo_put(orig_ifinfo);
if (neigh_ifinfo)
batadv_neigh_ifinfo_put(neigh_ifinfo);
batadv_orig_ifinfo_put(orig_ifinfo);
batadv_neigh_ifinfo_put(neigh_ifinfo);
return ret;
}
......@@ -763,16 +758,11 @@ static bool batadv_v_ogm_route_update(struct batadv_priv *bat_priv,
batadv_update_route(bat_priv, orig_node, if_outgoing, neigh_node);
out:
if (router)
batadv_neigh_node_put(router);
if (orig_neigh_router)
batadv_neigh_node_put(orig_neigh_router);
if (orig_neigh_node)
batadv_orig_node_put(orig_neigh_node);
if (router_ifinfo)
batadv_neigh_ifinfo_put(router_ifinfo);
if (neigh_ifinfo)
batadv_neigh_ifinfo_put(neigh_ifinfo);
batadv_neigh_node_put(router);
batadv_neigh_node_put(orig_neigh_router);
batadv_orig_node_put(orig_neigh_node);
batadv_neigh_ifinfo_put(router_ifinfo);
batadv_neigh_ifinfo_put(neigh_ifinfo);
return forward;
}
......@@ -978,12 +968,9 @@ static void batadv_v_ogm_process(const struct sk_buff *skb, int ogm_offset,
}
rcu_read_unlock();
out:
if (orig_node)
batadv_orig_node_put(orig_node);
if (neigh_node)
batadv_neigh_node_put(neigh_node);
if (hardif_neigh)
batadv_hardif_neigh_put(hardif_neigh);
batadv_orig_node_put(orig_node);
batadv_neigh_node_put(neigh_node);
batadv_hardif_neigh_put(hardif_neigh);
}
/**
......
net/batman-adv/bridge_loop_avoidance.c
View file @ a2b7b148
......@@ -445,8 +445,7 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, u8 *mac,
netif_rx_any_context(skb);
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
}
/**
......@@ -1504,8 +1503,7 @@ static void batadv_bla_periodic_work(struct work_struct *work)
rcu_read_unlock();
}
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
queue_delayed_work(batadv_event_workqueue, &bat_priv->bla.work,
msecs_to_jiffies(BATADV_BLA_PERIOD_LENGTH));
......@@ -1814,8 +1812,7 @@ void batadv_bla_free(struct batadv_priv *bat_priv)
batadv_hash_destroy(bat_priv->bla.backbone_hash);
bat_priv->bla.backbone_hash = NULL;
}
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
}
/**
......@@ -2002,10 +1999,8 @@ bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
ret = true;
out:
if (primary_if)
batadv_hardif_put(primary_if);
if (claim)
batadv_claim_put(claim);
batadv_hardif_put(primary_if);
batadv_claim_put(claim);
return ret;
}
......@@ -2109,10 +2104,8 @@ bool batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
handled:
ret = true;
out:
if (primary_if)
batadv_hardif_put(primary_if);
if (claim)
batadv_claim_put(claim);
batadv_hardif_put(primary_if);
batadv_claim_put(claim);
return ret;
}
......@@ -2277,8 +2270,7 @@ int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
dev_put(soft_iface);
......@@ -2448,8 +2440,7 @@ int batadv_bla_backbone_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
dev_put(soft_iface);
......
net/batman-adv/distributed-arp-table.c
View file @ a2b7b148
......@@ -408,8 +408,7 @@ static void batadv_dat_entry_add(struct batadv_priv *bat_priv, __be32 ip,
&dat_entry->ip, dat_entry->mac_addr, batadv_print_vid(vid));
out:
if (dat_entry)
batadv_dat_entry_put(dat_entry);
batadv_dat_entry_put(dat_entry);
}
#ifdef CONFIG_BATMAN_ADV_DEBUG
......@@ -597,8 +596,7 @@ static void batadv_choose_next_candidate(struct batadv_priv *bat_priv,
continue;
max = tmp_max;
if (max_orig_node)
batadv_orig_node_put(max_orig_node);
batadv_orig_node_put(max_orig_node);
max_orig_node = orig_node;
}
rcu_read_unlock();
......@@ -984,8 +982,7 @@ int batadv_dat_cache_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
dev_put(soft_iface);
......@@ -1220,8 +1217,7 @@ bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv,
BATADV_P_DAT_DHT_GET);
}
out:
if (dat_entry)
batadv_dat_entry_put(dat_entry);
batadv_dat_entry_put(dat_entry);
return ret;
}
......@@ -1288,8 +1284,7 @@ bool batadv_dat_snoop_incoming_arp_request(struct batadv_priv *bat_priv,
ret = true;
}
out:
if (dat_entry)
batadv_dat_entry_put(dat_entry);
batadv_dat_entry_put(dat_entry);
if (ret)
kfree_skb(skb);
return ret;
......@@ -1422,8 +1417,7 @@ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv,
out:
if (dropped)
kfree_skb(skb);
if (dat_entry)
batadv_dat_entry_put(dat_entry);
batadv_dat_entry_put(dat_entry);
/* if dropped == false -> deliver to the interface */
return dropped;
}
......@@ -1832,7 +1826,6 @@ bool batadv_dat_drop_broadcast_packet(struct batadv_priv *bat_priv,
ret = true;
out:
if (dat_entry)
batadv_dat_entry_put(dat_entry);
batadv_dat_entry_put(dat_entry);
return ret;
}
net/batman-adv/fragmentation.c
View file @ a2b7b148
......@@ -381,10 +381,8 @@ bool batadv_frag_skb_fwd(struct sk_buff *skb,
}
out:
if (orig_node_dst)
batadv_orig_node_put(orig_node_dst);
if (neigh_node)
batadv_neigh_node_put(neigh_node);
batadv_orig_node_put(orig_node_dst);
batadv_neigh_node_put(neigh_node);
return ret;
}
......
net/batman-adv/gateway_client.c
View file @ a2b7b148
......@@ -120,8 +120,7 @@ batadv_gw_get_selected_orig(struct batadv_priv *bat_priv)
unlock:
rcu_read_unlock();
out:
if (gw_node)
batadv_gw_node_put(gw_node);
batadv_gw_node_put(gw_node);
return orig_node;
}
......@@ -138,8 +137,7 @@ static void batadv_gw_select(struct batadv_priv *bat_priv,
curr_gw_node = rcu_replace_pointer(bat_priv->gw.curr_gw, new_gw_node,
true);
if (curr_gw_node)
batadv_gw_node_put(curr_gw_node);
batadv_gw_node_put(curr_gw_node);
spin_unlock_bh(&bat_priv->gw.list_lock);
}
......@@ -274,14 +272,10 @@ void batadv_gw_election(struct batadv_priv *bat_priv)
batadv_gw_select(bat_priv, next_gw);
out:
if (curr_gw)
batadv_gw_node_put(curr_gw);
if (next_gw)
batadv_gw_node_put(next_gw);
if (router)
batadv_neigh_node_put(router);
if (router_ifinfo)
batadv_neigh_ifinfo_put(router_ifinfo);
batadv_gw_node_put(curr_gw);
batadv_gw_node_put(next_gw);
batadv_neigh_node_put(router);
batadv_neigh_ifinfo_put(router_ifinfo);
}
/**
......@@ -315,8 +309,7 @@ void batadv_gw_check_election(struct batadv_priv *bat_priv,
reselect:
batadv_gw_reselect(bat_priv);
out:
if (curr_gw_orig)
batadv_orig_node_put(curr_gw_orig);
batadv_orig_node_put(curr_gw_orig);
}
/**
......@@ -456,13 +449,11 @@ void batadv_gw_node_update(struct batadv_priv *bat_priv,
if (gw_node == curr_gw)
batadv_gw_reselect(bat_priv);
if (curr_gw)
batadv_gw_node_put(curr_gw);
batadv_gw_node_put(curr_gw);
}
out:
if (gw_node)
batadv_gw_node_put(gw_node);
batadv_gw_node_put(gw_node);
}
/**
......@@ -545,8 +536,7 @@ int batadv_gw_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
dev_put(soft_iface);
return ret;
......@@ -769,15 +759,10 @@ bool batadv_gw_out_of_range(struct batadv_priv *bat_priv,
batadv_neigh_ifinfo_put(old_ifinfo);
out:
if (orig_dst_node)
batadv_orig_node_put(orig_dst_node);
if (curr_gw)
batadv_gw_node_put(curr_gw);
if (gw_node)
batadv_gw_node_put(gw_node);
if (neigh_old)
batadv_neigh_node_put(neigh_old);
if (neigh_curr)
batadv_neigh_node_put(neigh_curr);
batadv_orig_node_put(orig_dst_node);
batadv_gw_node_put(curr_gw);
batadv_gw_node_put(gw_node);
batadv_neigh_node_put(neigh_old);
batadv_neigh_node_put(neigh_curr);
return out_of_range;
}
net/batman-adv/hard-interface.c
View file @ a2b7b148
......@@ -236,8 +236,7 @@ static struct net_device *batadv_get_real_netdevice(struct net_device *netdev)
real_netdev = dev_get_by_index(real_net, ifindex);
out:
if (hard_iface)
batadv_hardif_put(hard_iface);
batadv_hardif_put(hard_iface);
return real_netdev;
}
......@@ -457,8 +456,7 @@ static void batadv_primary_if_update_addr(struct batadv_priv *bat_priv,
batadv_dat_init_own_addr(bat_priv, primary_if);
batadv_bla_update_orig_address(bat_priv, primary_if, oldif);
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
}
static void batadv_primary_if_select(struct batadv_priv *bat_priv,
......@@ -481,8 +479,7 @@ static void batadv_primary_if_select(struct batadv_priv *bat_priv,
batadv_primary_if_update_addr(bat_priv, curr_hard_iface);
out:
if (curr_hard_iface)
batadv_hardif_put(curr_hard_iface);
batadv_hardif_put(curr_hard_iface);
}
static bool
......@@ -657,8 +654,7 @@ batadv_hardif_activate_interface(struct batadv_hard_iface *hard_iface)
bat_priv->algo_ops->iface.activate(hard_iface);
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
}
static void
......@@ -811,8 +807,7 @@ void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface)
new_if = batadv_hardif_get_active(hard_iface->soft_iface);
batadv_primary_if_select(bat_priv, new_if);
if (new_if)
batadv_hardif_put(new_if);
batadv_hardif_put(new_if);
}
bat_priv->algo_ops->iface.disable(hard_iface);
......@@ -834,8 +829,7 @@ void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface)
batadv_hardif_put(hard_iface);
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
}
static struct batadv_hard_iface *
......@@ -990,8 +984,7 @@ static int batadv_hard_if_event(struct notifier_block *this,
hardif_put:
batadv_hardif_put(hard_iface);
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
return NOTIFY_DONE;
}
......
net/batman-adv/multicast.c
View file @ a2b7b148
......@@ -2241,7 +2241,7 @@ batadv_mcast_netlink_get_primary(struct netlink_callback *cb,
if (!ret && primary_if)
*primary_if = hard_iface;
else if (hard_iface)
else
batadv_hardif_put(hard_iface);
return ret;
......
net/batman-adv/netlink.c
View file @ a2b7b148
......@@ -359,15 +359,13 @@ static int batadv_netlink_mesh_fill(struct sk_buff *msg,
atomic_read(&bat_priv->orig_interval)))
goto nla_put_failure;
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
genlmsg_end(msg, hdr);
return 0;
nla_put_failure:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
genlmsg_cancel(msg, hdr);
return -EMSGSIZE;
......
net/batman-adv/network-coding.c
View file @ a2b7b148
......@@ -936,10 +936,8 @@ void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
out_nc_node->last_seen = jiffies;
out:
if (in_nc_node)
batadv_nc_node_put(in_nc_node);
if (out_nc_node)
batadv_nc_node_put(out_nc_node);
batadv_nc_node_put(in_nc_node);
batadv_nc_node_put(out_nc_node);
}
/**
......@@ -1215,14 +1213,10 @@ static bool batadv_nc_code_packets(struct batadv_priv *bat_priv,
batadv_send_unicast_skb(skb_dest, first_dest);
res = true;
out:
if (router_neigh)
batadv_neigh_node_put(router_neigh);
if (router_coding)
batadv_neigh_node_put(router_coding);
if (router_neigh_ifinfo)
batadv_neigh_ifinfo_put(router_neigh_ifinfo);
if (router_coding_ifinfo)
batadv_neigh_ifinfo_put(router_coding_ifinfo);
batadv_neigh_node_put(router_neigh);
batadv_neigh_node_put(router_coding);
batadv_neigh_ifinfo_put(router_neigh_ifinfo);
batadv_neigh_ifinfo_put(router_coding_ifinfo);
return res;
}
......
net/batman-adv/originator.c
View file @ a2b7b148
......@@ -664,8 +664,7 @@ batadv_neigh_node_create(struct batadv_orig_node *orig_node,
out:
spin_unlock_bh(&orig_node->neigh_list_lock);
if (hardif_neigh)
batadv_hardif_neigh_put(hardif_neigh);
batadv_hardif_neigh_put(hardif_neigh);
return neigh_node;
}
......@@ -757,11 +756,9 @@ int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
if (hardif)
batadv_hardif_put(hardif);
batadv_hardif_put(hardif);
dev_put(hard_iface);
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
dev_put(soft_iface);
return ret;
......@@ -784,8 +781,7 @@ void batadv_orig_ifinfo_release(struct kref *ref)
/* this is the last reference to this object */
router = rcu_dereference_protected(orig_ifinfo->router, true);
if (router)
batadv_neigh_node_put(router);
batadv_neigh_node_put(router);
kfree_rcu(orig_ifinfo, rcu);
}
......@@ -843,8 +839,7 @@ void batadv_orig_node_release(struct kref *ref)
orig_node->last_bonding_candidate = NULL;
spin_unlock_bh(&orig_node->neigh_list_lock);
if (last_candidate)
batadv_orig_ifinfo_put(last_candidate);
batadv_orig_ifinfo_put(last_candidate);
spin_lock_bh(&orig_node->vlan_list_lock);
hlist_for_each_entry_safe(vlan, node_tmp, &orig_node->vlan_list, list) {
......@@ -1151,8 +1146,7 @@ batadv_find_best_neighbor(struct batadv_priv *bat_priv,
if (!kref_get_unless_zero(&neigh->refcount))
continue;
if (best)
batadv_neigh_node_put(best);
batadv_neigh_node_put(best);
best = neigh;
}
......@@ -1197,8 +1191,7 @@ static bool batadv_purge_orig_node(struct batadv_priv *bat_priv,
BATADV_IF_DEFAULT);
batadv_update_route(bat_priv, orig_node, BATADV_IF_DEFAULT,
best_neigh_node);
if (best_neigh_node)
batadv_neigh_node_put(best_neigh_node);
batadv_neigh_node_put(best_neigh_node);
/* ... then for all other interfaces. */
rcu_read_lock();
......@@ -1217,8 +1210,7 @@ static bool batadv_purge_orig_node(struct batadv_priv *bat_priv,
hard_iface);
batadv_update_route(bat_priv, orig_node, hard_iface,
best_neigh_node);
if (best_neigh_node)
batadv_neigh_node_put(best_neigh_node);
batadv_neigh_node_put(best_neigh_node);
batadv_hardif_put(hard_iface);
}
......@@ -1348,11 +1340,9 @@ int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
if (hardif)
batadv_hardif_put(hardif);
batadv_hardif_put(hardif);
dev_put(hard_iface);
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
dev_put(soft_iface);
return ret;
......
net/batman-adv/routing.c
View file @ a2b7b148
......@@ -101,8 +101,7 @@ static void _batadv_update_route(struct batadv_priv *bat_priv,
}
/* decrease refcount of previous best neighbor */
if (curr_router)
batadv_neigh_node_put(curr_router);
batadv_neigh_node_put(curr_router);
}
/**
......@@ -128,8 +127,7 @@ void batadv_update_route(struct batadv_priv *bat_priv,
_batadv_update_route(bat_priv, orig_node, recv_if, neigh_node);
out:
if (router)
batadv_neigh_node_put(router);
batadv_neigh_node_put(router);
}
/**
......@@ -269,10 +267,8 @@ static int batadv_recv_my_icmp_packet(struct batadv_priv *bat_priv,
goto out;
}
out:
if (primary_if)
batadv_hardif_put(primary_if);
if (orig_node)
batadv_orig_node_put(orig_node);
batadv_hardif_put(primary_if);
batadv_orig_node_put(orig_node);
kfree_skb(skb);
......@@ -324,10 +320,8 @@ static int batadv_recv_icmp_ttl_exceeded(struct batadv_priv *bat_priv,
skb = NULL;
out:
if (primary_if)
batadv_hardif_put(primary_if);
if (orig_node)
batadv_orig_node_put(orig_node);
batadv_hardif_put(primary_if);
batadv_orig_node_put(orig_node);
kfree_skb(skb);
......@@ -425,8 +419,7 @@ int batadv_recv_icmp_packet(struct sk_buff *skb,
skb = NULL;
put_orig_node:
if (orig_node)
batadv_orig_node_put(orig_node);
batadv_orig_node_put(orig_node);
free_skb:
kfree_skb(skb);
......@@ -513,8 +506,7 @@ batadv_last_bonding_replace(struct batadv_orig_node *orig_node,
orig_node->last_bonding_candidate = new_candidate;
spin_unlock_bh(&orig_node->neigh_list_lock);
if (old_candidate)
batadv_orig_ifinfo_put(old_candidate);
batadv_orig_ifinfo_put(old_candidate);
}
/**
......@@ -656,8 +648,7 @@ batadv_find_router(struct batadv_priv *bat_priv,
batadv_orig_ifinfo_put(next_candidate);
}
if (last_candidate)
batadv_orig_ifinfo_put(last_candidate);
batadv_orig_ifinfo_put(last_candidate);
return router;
}
......@@ -785,10 +776,8 @@ batadv_reroute_unicast_packet(struct batadv_priv *bat_priv, struct sk_buff *skb,
ret = true;
out:
if (primary_if)
batadv_hardif_put(primary_if);
if (orig_node)
batadv_orig_node_put(orig_node);
batadv_hardif_put(primary_if);
batadv_orig_node_put(orig_node);
return ret;
}
......@@ -1031,8 +1020,7 @@ int batadv_recv_unicast_packet(struct sk_buff *skb,
orig_node);
rx_success:
if (orig_node)
batadv_orig_node_put(orig_node);
batadv_orig_node_put(orig_node);
return NET_RX_SUCCESS;
}
......@@ -1279,7 +1267,6 @@ int batadv_recv_bcast_packet(struct sk_buff *skb,
kfree_skb(skb);
ret = NET_RX_DROP;
out:
if (orig_node)
batadv_orig_node_put(orig_node);
batadv_orig_node_put(orig_node);
return ret;
}
net/batman-adv/send.c
View file @ a2b7b148
......@@ -152,8 +152,7 @@ int batadv_send_unicast_skb(struct sk_buff *skb,
if (hardif_neigh && ret != NET_XMIT_DROP)
hardif_neigh->bat_v.last_unicast_tx = jiffies;
if (hardif_neigh)
batadv_hardif_neigh_put(hardif_neigh);
batadv_hardif_neigh_put(hardif_neigh);
#endif
return ret;
......@@ -309,8 +308,7 @@ bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv,
ret = true;
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
return ret;
}
......@@ -425,8 +423,7 @@ int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv,
ret = batadv_send_skb_unicast(bat_priv, skb, packet_type,
packet_subtype, orig_node, vid);
if (orig_node)
batadv_orig_node_put(orig_node);
batadv_orig_node_put(orig_node);
return ret;
}
......@@ -452,8 +449,7 @@ int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb,
ret = batadv_send_skb_unicast(bat_priv, skb, BATADV_UNICAST_4ADDR,
BATADV_P_DATA, orig_node, vid);
if (orig_node)
batadv_orig_node_put(orig_node);
batadv_orig_node_put(orig_node);
return ret;
}
......@@ -474,10 +470,8 @@ void batadv_forw_packet_free(struct batadv_forw_packet *forw_packet,
else
consume_skb(forw_packet->skb);
if (forw_packet->if_incoming)
batadv_hardif_put(forw_packet->if_incoming);
if (forw_packet->if_outgoing)
batadv_hardif_put(forw_packet->if_outgoing);
batadv_hardif_put(forw_packet->if_incoming);
batadv_hardif_put(forw_packet->if_outgoing);
if (forw_packet->queue_left)
atomic_inc(forw_packet->queue_left);
kfree(forw_packet);
......@@ -867,8 +861,7 @@ static bool batadv_send_no_broadcast(struct batadv_priv *bat_priv,
ret = batadv_hardif_no_broadcast(if_out, bcast_packet->orig,
orig_neigh);
if (neigh_node)
batadv_hardif_neigh_put(neigh_node);
batadv_hardif_neigh_put(neigh_node);
/* ok, may broadcast */
if (!ret)
......
net/batman-adv/soft-interface.c
View file @ a2b7b148
......@@ -383,10 +383,8 @@ static netdev_tx_t batadv_interface_tx(struct sk_buff *skb,
dropped_freed:
batadv_inc_counter(bat_priv, BATADV_CNT_TX_DROPPED);
end:
if (mcast_single_orig)
batadv_orig_node_put(mcast_single_orig);
if (primary_if)
batadv_hardif_put(primary_if);
batadv_orig_node_put(mcast_single_orig);
batadv_hardif_put(primary_if);
return NETDEV_TX_OK;
}
......@@ -838,8 +836,7 @@ static int batadv_softif_slave_add(struct net_device *dev,
ret = batadv_hardif_enable_interface(hard_iface, dev);
out:
if (hard_iface)
batadv_hardif_put(hard_iface);
batadv_hardif_put(hard_iface);
return ret;
}
......@@ -865,8 +862,7 @@ static int batadv_softif_slave_del(struct net_device *dev,
ret = 0;
out:
if (hard_iface)
batadv_hardif_put(hard_iface);
batadv_hardif_put(hard_iface);
return ret;
}
......
net/batman-adv/tp_meter.c
View file @ a2b7b148
......@@ -751,12 +751,9 @@ static void batadv_tp_recv_ack(struct batadv_priv *bat_priv,
wake_up(&tp_vars->more_bytes);
out:
if (likely(primary_if))
batadv_hardif_put(primary_if);
if (likely(orig_node))
batadv_orig_node_put(orig_node);
if (likely(tp_vars))
batadv_tp_vars_put(tp_vars);
batadv_hardif_put(primary_if);
batadv_orig_node_put(orig_node);
batadv_tp_vars_put(tp_vars);
}
/**
......@@ -885,10 +882,8 @@ static int batadv_tp_send(void *arg)
}
out:
if (likely(primary_if))
batadv_hardif_put(primary_if);
if (likely(orig_node))
batadv_orig_node_put(orig_node);
batadv_hardif_put(primary_if);
batadv_orig_node_put(orig_node);
batadv_tp_sender_end(bat_priv, tp_vars);
batadv_tp_sender_cleanup(bat_priv, tp_vars);
......@@ -1208,10 +1203,8 @@ static int batadv_tp_send_ack(struct batadv_priv *bat_priv, const u8 *dst,
ret = 0;
out:
if (likely(orig_node))
batadv_orig_node_put(orig_node);
if (likely(primary_if))
batadv_hardif_put(primary_if);
batadv_orig_node_put(orig_node);
batadv_hardif_put(primary_if);
return ret;
}
......@@ -1459,8 +1452,7 @@ static void batadv_tp_recv_msg(struct batadv_priv *bat_priv,
batadv_tp_send_ack(bat_priv, icmp->orig, tp_vars->last_recv,
icmp->timestamp, icmp->session, icmp->uid);
out:
if (likely(tp_vars))
batadv_tp_vars_put(tp_vars);
batadv_tp_vars_put(tp_vars);
}
/**
......
net/batman-adv/translation-table.c
View file @ a2b7b148
......@@ -813,13 +813,10 @@ bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr,
ret = true;
out:
if (in_hardif)
batadv_hardif_put(in_hardif);
batadv_hardif_put(in_hardif);
dev_put(in_dev);
if (tt_local)
batadv_tt_local_entry_put(tt_local);
if (tt_global)
batadv_tt_global_entry_put(tt_global);
batadv_tt_local_entry_put(tt_local);
batadv_tt_global_entry_put(tt_global);
return ret;
}
......@@ -1209,8 +1206,7 @@ int batadv_tt_local_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
dev_put(soft_iface);
cb->args[0] = bucket;
......@@ -1298,8 +1294,7 @@ u16 batadv_tt_local_remove(struct batadv_priv *bat_priv, const u8 *addr,
batadv_tt_local_entry_put(tt_removed_entry);
out:
if (tt_local_entry)
batadv_tt_local_entry_put(tt_local_entry);
batadv_tt_local_entry_put(tt_local_entry);
return curr_flags;
}
......@@ -1569,8 +1564,7 @@ batadv_tt_global_orig_entry_add(struct batadv_tt_global_entry *tt_global,
sync_flags:
batadv_tt_global_sync_flags(tt_global);
out:
if (orig_entry)
batadv_tt_orig_list_entry_put(orig_entry);
batadv_tt_orig_list_entry_put(orig_entry);
spin_unlock_bh(&tt_global->list_lock);
}
......@@ -1743,10 +1737,8 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv,
tt_global_entry->common.flags &= ~BATADV_TT_CLIENT_ROAM;
out:
if (tt_global_entry)
batadv_tt_global_entry_put(tt_global_entry);
if (tt_local_entry)
batadv_tt_local_entry_put(tt_local_entry);
batadv_tt_global_entry_put(tt_global_entry);
batadv_tt_local_entry_put(tt_local_entry);
return ret;
}
......@@ -1782,15 +1774,13 @@ batadv_transtable_best_orig(struct batadv_priv *bat_priv,
}
/* release the refcount for the "old" best */
if (best_router)
batadv_neigh_node_put(best_router);
batadv_neigh_node_put(best_router);
best_entry = orig_entry;
best_router = router;
}
if (best_router)
batadv_neigh_node_put(best_router);
batadv_neigh_node_put(best_router);
return best_entry;
}
......@@ -1996,8 +1986,7 @@ int batadv_tt_global_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
dev_put(soft_iface);
cb->args[0] = bucket;
......@@ -2188,10 +2177,8 @@ static void batadv_tt_global_del(struct batadv_priv *bat_priv,
}
out:
if (tt_global_entry)
batadv_tt_global_entry_put(tt_global_entry);
if (local_entry)
batadv_tt_local_entry_put(local_entry);
batadv_tt_global_entry_put(tt_global_entry);
batadv_tt_local_entry_put(local_entry);
}
/**
......@@ -2418,10 +2405,8 @@ struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
rcu_read_unlock();
out:
if (tt_global_entry)
batadv_tt_global_entry_put(tt_global_entry);
if (tt_local_entry)
batadv_tt_local_entry_put(tt_local_entry);
batadv_tt_global_entry_put(tt_global_entry);
batadv_tt_local_entry_put(tt_local_entry);
return orig_node;
}
......@@ -2982,8 +2967,7 @@ static bool batadv_send_tt_request(struct batadv_priv *bat_priv,
ret = true;
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
if (ret && tt_req_node) {
spin_lock_bh(&bat_priv->tt.req_list_lock);
......@@ -2994,8 +2978,7 @@ static bool batadv_send_tt_request(struct batadv_priv *bat_priv,
spin_unlock_bh(&bat_priv->tt.req_list_lock);
}
if (tt_req_node)
batadv_tt_req_node_put(tt_req_node);
batadv_tt_req_node_put(tt_req_node);
kfree(tvlv_tt_data);
return ret;
......@@ -3126,10 +3109,8 @@ static bool batadv_send_other_tt_response(struct batadv_priv *bat_priv,
spin_unlock_bh(&req_dst_orig_node->tt_buff_lock);
out:
if (res_dst_orig_node)
batadv_orig_node_put(res_dst_orig_node);
if (req_dst_orig_node)
batadv_orig_node_put(req_dst_orig_node);
batadv_orig_node_put(res_dst_orig_node);
batadv_orig_node_put(req_dst_orig_node);
kfree(tvlv_tt_data);
return ret;
}
......@@ -3243,10 +3224,8 @@ static bool batadv_send_my_tt_response(struct batadv_priv *bat_priv,
spin_unlock_bh(&bat_priv->tt.last_changeset_lock);
out:
spin_unlock_bh(&bat_priv->tt.commit_lock);
if (orig_node)
batadv_orig_node_put(orig_node);
if (primary_if)
batadv_hardif_put(primary_if);
batadv_orig_node_put(orig_node);
batadv_hardif_put(primary_if);
kfree(tvlv_tt_data);
/* The packet was for this host, so it doesn't need to be re-routed */
return true;
......@@ -3331,8 +3310,7 @@ static void batadv_tt_fill_gtable(struct batadv_priv *bat_priv,
atomic_set(&orig_node->last_ttvn, ttvn);
out:
if (orig_node)
batadv_orig_node_put(orig_node);
batadv_orig_node_put(orig_node);
}
static void batadv_tt_update_changes(struct batadv_priv *bat_priv,
......@@ -3373,8 +3351,7 @@ bool batadv_is_my_client(struct batadv_priv *bat_priv, const u8 *addr,
goto out;
ret = true;
out:
if (tt_local_entry)
batadv_tt_local_entry_put(tt_local_entry);
batadv_tt_local_entry_put(tt_local_entry);
return ret;
}
......@@ -3437,8 +3414,7 @@ static void batadv_handle_tt_response(struct batadv_priv *bat_priv,
spin_unlock_bh(&bat_priv->tt.req_list_lock);
out:
if (orig_node)
batadv_orig_node_put(orig_node);
batadv_orig_node_put(orig_node);
}
static void batadv_tt_roam_list_free(struct batadv_priv *bat_priv)
......@@ -3569,8 +3545,7 @@ static void batadv_send_roam_adv(struct batadv_priv *bat_priv, u8 *client,
&tvlv_roam, sizeof(tvlv_roam));
out:
if (primary_if)
batadv_hardif_put(primary_if);
batadv_hardif_put(primary_if);
}
static void batadv_tt_purge(struct work_struct *work)
......@@ -4165,8 +4140,7 @@ static int batadv_roam_tvlv_unicast_handler_v1(struct batadv_priv *bat_priv,
atomic_read(&orig_node->last_ttvn) + 1);
out:
if (orig_node)
batadv_orig_node_put(orig_node);
batadv_orig_node_put(orig_node);
return NET_RX_SUCCESS;
}
......
net/batman-adv/tvlv.c
View file @ a2b7b148
......@@ -444,8 +444,7 @@ int batadv_tvlv_containers_process(struct batadv_priv *bat_priv,
ogm_source, orig_node,
src, dst, tvlv_value,
tvlv_value_cont_len);
if (tvlv_handler)
batadv_tvlv_handler_put(tvlv_handler);
batadv_tvlv_handler_put(tvlv_handler);
tvlv_value = (u8 *)tvlv_value + tvlv_value_cont_len;
tvlv_value_len -= tvlv_value_cont_len;
}
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7