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batman-adv: Remove needless init of variables on stack 

Some variables are overwritten immediatelly in a functions. These don't
have to be initialized to a specific value on the stack because the value
will be overwritten before they will be used anywhere.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
This commit is contained in:
Sven Eckelmann 2016-07-25 00:42:44 +02:00 committed by Simon Wunderlich
parent 393b299d2c
commit 422d2f7780
6 changed files with 11 additions and 11 deletions
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2
net/batman-adv/bat_v.c
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@ -787,7 +787,7 @@ static bool batadv_v_gw_is_eligible(struct batadv_priv *bat_priv,
struct batadv_orig_node *curr_gw_orig,
struct batadv_orig_node *orig_node)
{
struct batadv_gw_node *curr_gw = NULL, *orig_gw = NULL;
struct batadv_gw_node *curr_gw, *orig_gw = NULL;
u32 gw_throughput, orig_throughput, threshold;
bool ret = false;

4
net/batman-adv/bat_v_ogm.c
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@ -401,7 +401,7 @@ static int batadv_v_ogm_metric_update(struct batadv_priv *bat_priv,
struct batadv_hard_iface *if_incoming,
struct batadv_hard_iface *if_outgoing)
{
struct batadv_orig_ifinfo *orig_ifinfo = NULL;
struct batadv_orig_ifinfo *orig_ifinfo;
struct batadv_neigh_ifinfo *neigh_ifinfo = NULL;
bool protection_started = false;
int ret = -EINVAL;
@ -486,7 +486,7 @@ static bool batadv_v_ogm_route_update(struct batadv_priv *bat_priv,
struct batadv_hard_iface *if_outgoing)
{
struct batadv_neigh_node *router = NULL;
struct batadv_orig_node *orig_neigh_node = NULL;
struct batadv_orig_node *orig_neigh_node;
struct batadv_neigh_node *orig_neigh_router = NULL;
struct batadv_neigh_ifinfo *router_ifinfo = NULL, *neigh_ifinfo = NULL;
u32 router_throughput, neigh_throughput;

4
net/batman-adv/fragmentation.c
View File

@ -252,7 +252,7 @@ batadv_frag_merge_packets(struct hlist_head *chain)
{
struct batadv_frag_packet *packet;
struct batadv_frag_list_entry *entry;
struct sk_buff *skb_out = NULL;
struct sk_buff *skb_out;
int size, hdr_size = sizeof(struct batadv_frag_packet);
/* Remove first entry, as this is the destination for the rest of the
@ -352,7 +352,7 @@ bool batadv_frag_skb_fwd(struct sk_buff *skb,
struct batadv_orig_node *orig_node_src)
{
struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct batadv_orig_node *orig_node_dst = NULL;
struct batadv_orig_node *orig_node_dst;
struct batadv_neigh_node *neigh_node = NULL;
struct batadv_frag_packet *packet;
u16 total_size;

2
net/batman-adv/gateway_client.c
View File

@ -704,7 +704,7 @@ bool batadv_gw_out_of_range(struct batadv_priv *bat_priv,
{
struct batadv_neigh_node *neigh_curr = NULL;
struct batadv_neigh_node *neigh_old = NULL;
struct batadv_orig_node *orig_dst_node = NULL;
struct batadv_orig_node *orig_dst_node;
struct batadv_gw_node *gw_node = NULL;
struct batadv_gw_node *curr_gw = NULL;
struct batadv_neigh_ifinfo *curr_ifinfo, *old_ifinfo;

8
net/batman-adv/originator.c
View File

@ -364,7 +364,7 @@ struct batadv_orig_ifinfo *
batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node,
struct batadv_hard_iface *if_outgoing)
{
struct batadv_orig_ifinfo *orig_ifinfo = NULL;
struct batadv_orig_ifinfo *orig_ifinfo;
unsigned long reset_time;
spin_lock_bh(&orig_node->neigh_list_lock);
@ -520,7 +520,7 @@ batadv_hardif_neigh_create(struct batadv_hard_iface *hard_iface,
const u8 *neigh_addr)
{
struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct batadv_hardif_neigh_node *hardif_neigh = NULL;
struct batadv_hardif_neigh_node *hardif_neigh;
spin_lock_bh(&hard_iface->neigh_list_lock);
@ -563,7 +563,7 @@ static struct batadv_hardif_neigh_node *
batadv_hardif_neigh_get_or_create(struct batadv_hard_iface *hard_iface,
const u8 *neigh_addr)
{
struct batadv_hardif_neigh_node *hardif_neigh = NULL;
struct batadv_hardif_neigh_node *hardif_neigh;
/* first check without locking to avoid the overhead */
hardif_neigh = batadv_hardif_neigh_get(hard_iface, neigh_addr);
@ -683,7 +683,7 @@ batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node,
struct batadv_hard_iface *hard_iface,
const u8 *neigh_addr)
{
struct batadv_neigh_node *neigh_node = NULL;
struct batadv_neigh_node *neigh_node;
/* first check without locking to avoid the overhead */
neigh_node = batadv_neigh_node_get(orig_node, hard_iface, neigh_addr);

2
net/batman-adv/send.c
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@ -562,7 +562,7 @@ int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
const struct sk_buff *skb,
unsigned long delay)
{
struct batadv_hard_iface *primary_if = NULL;
struct batadv_hard_iface *primary_if;
struct batadv_forw_packet *forw_packet;
struct batadv_bcast_packet *bcast_packet;
struct sk_buff *newskb;