From: Sven Eckelmann <[email protected]> The batadv_hard_iface->mesh_iface became immutable after the global batadv_hardif_list was removed and batadv_hard_iface only exists when it is assigned to an mesh_iface. This member can never become NULL and thus a check is now unnecessary.
Signed-off-by: Sven Eckelmann <[email protected]> Signed-off-by: Simon Wunderlich <[email protected]> --- net/batman-adv/bat_v_elp.c | 6 ------ net/batman-adv/bridge_loop_avoidance.c | 9 ++------- net/batman-adv/hard-interface.c | 8 ++------ net/batman-adv/main.c | 3 --- 4 files changed, 4 insertions(+), 22 deletions(-) diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c index bc3e4f264afa1..262e40040007c 100644 --- a/net/batman-adv/bat_v_elp.c +++ b/net/batman-adv/bat_v_elp.c @@ -90,12 +90,6 @@ static bool batadv_v_elp_get_throughput(struct batadv_hardif_neigh_node *neigh, u32 throughput; int ret; - /* don't query throughput when no longer associated with any - * batman-adv interface - */ - if (!mesh_iface) - return false; - /* if the user specified a customised value for this interface, then * return it directly */ diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index 5c73f6ba16cff..f9a1fadf8de9e 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -344,7 +344,6 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, const u8 *mac, struct sk_buff *skb; struct ethhdr *ethhdr; struct batadv_hard_iface *primary_if; - struct net_device *mesh_iface; u8 *hw_src; struct batadv_bla_claim_dst local_claim_dest; __be32 zeroip = 0; @@ -357,14 +356,10 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, const u8 *mac, sizeof(local_claim_dest)); local_claim_dest.type = claimtype; - mesh_iface = READ_ONCE(primary_if->mesh_iface); - if (!mesh_iface) - goto out; - skb = arp_create(ARPOP_REPLY, ETH_P_ARP, /* IP DST: 0.0.0.0 */ zeroip, - mesh_iface, + primary_if->mesh_iface, /* IP SRC: 0.0.0.0 */ zeroip, /* Ethernet DST: Broadcast */ @@ -442,7 +437,7 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, const u8 *mac, } skb_reset_mac_header(skb); - skb->protocol = eth_type_trans(skb, mesh_iface); + skb->protocol = eth_type_trans(skb, primary_if->mesh_iface); batadv_inc_counter(bat_priv, BATADV_CNT_RX); batadv_add_counter(bat_priv, BATADV_CNT_RX_BYTES, skb->len + ETH_HLEN); diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index 6fc49ad47fd87..b6867576bbafa 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -246,7 +246,7 @@ struct net_device *__batadv_get_real_netdev(struct net_device *netdev) } hard_iface = batadv_hardif_get_by_netdev(netdev); - if (!hard_iface || !hard_iface->mesh_iface) + if (!hard_iface) goto out; net = dev_net(hard_iface->mesh_iface); @@ -540,9 +540,6 @@ static void batadv_check_known_mac_addr(const struct batadv_hard_iface *hard_ifa const struct batadv_hard_iface *tmp_hard_iface; struct list_head *iter; - if (!mesh_iface) - return; - netdev_for_each_lower_private(mesh_iface, tmp_hard_iface, iter) { if (tmp_hard_iface == hard_iface) continue; @@ -1053,8 +1050,7 @@ static int batadv_hard_if_event(struct notifier_block *this, batadv_hardif_disable_interface(hard_iface); break; case NETDEV_CHANGEMTU: - if (hard_iface->mesh_iface) - batadv_update_min_mtu(hard_iface->mesh_iface); + batadv_update_min_mtu(hard_iface->mesh_iface); break; case NETDEV_CHANGEADDR: batadv_check_known_mac_addr(hard_iface); diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index badc1df0af1d5..04bb030ef299a 100644 --- a/net/batman-adv/main.c +++ b/net/batman-adv/main.c @@ -444,9 +444,6 @@ int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev, if (unlikely(skb->mac_len != ETH_HLEN || !skb_mac_header(skb))) goto err_free; - if (!hard_iface->mesh_iface) - goto err_free; - bat_priv = netdev_priv(hard_iface->mesh_iface); if (READ_ONCE(bat_priv->mesh_state) != BATADV_MESH_ACTIVE) -- 2.47.3
