batman-adv: Remove needless init of variables on stack
Commit Message
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>
---
net/batman-adv/bat_v.c | 2 +-
net/batman-adv/bat_v_ogm.c | 4 ++--
net/batman-adv/gateway_client.c | 2 +-
net/batman-adv/originator.c | 8 ++++----
net/batman-adv/send.c | 2 +-
5 files changed, 9 insertions(+), 9 deletions(-)
Comments
On Montag, 25. Juli 2016 00:42:44 CEST Sven Eckelmann wrote:
> 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>
> ---
> net/batman-adv/bat_v.c | 2 +-
> net/batman-adv/bat_v_ogm.c | 4 ++--
> net/batman-adv/gateway_client.c | 2 +-
> net/batman-adv/originator.c | 8 ++++----
> net/batman-adv/send.c | 2 +-
> 5 files changed, 9 insertions(+), 9 deletions(-)
Applied in c19f30162bec891ce2eefd405b8a71023c155fb4 [1].
Kind regards,
Sven
[1] https://git.open-mesh.org/batman-adv.git/commit/c19f30162bec891ce2eefd405b8a71023c155fb4
@@ -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;
@@ -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;
@@ -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;
@@ -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);
@@ -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;