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batman-adv: Return error codes instead of -1 on failures 

Signed-off-by: Sven Eckelmann <sven@narfation.org>
This commit is contained in:
Sven Eckelmann 2012-05-05 13:27:28 +02:00 committed by Antonio Quartulli
parent e0f5211f9b
commit 5346c35ebf
10 changed files with 58 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
net/batman-adv/bat_debugfs.c
View File

@ -195,13 +195,13 @@ static int debug_log_setup(struct bat_priv *bat_priv)
d = debugfs_create_file("log", S_IFREG | S_IRUSR,
bat_priv->debug_dir, bat_priv, &log_fops);
if (d)
if (!d)
goto err;
return 0;
err:
return 1;
return -ENOMEM;
}
static void debug_log_cleanup(struct bat_priv *bat_priv)
@ -348,8 +348,11 @@ int debugfs_add_meshif(struct net_device *dev)
if (!bat_priv->debug_dir)
goto out;
bat_socket_setup(bat_priv);
debug_log_setup(bat_priv);
if (bat_socket_setup(bat_priv) < 0)
goto rem_attr;
if (debug_log_setup(bat_priv) < 0)
goto rem_attr;
for (bat_debug = mesh_debuginfos; *bat_debug; ++bat_debug) {
file = debugfs_create_file(((*bat_debug)->attr).name,

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

@ -60,7 +60,7 @@ static int bat_iv_ogm_iface_enable(struct hard_iface *hard_iface)
{
struct batman_ogm_packet *batman_ogm_packet;
uint32_t random_seqno;
int res = -1;
int res = -ENOMEM;
/* randomize initial seqno to avoid collision */
get_random_bytes(&random_seqno, sizeof(random_seqno));

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

@ -680,7 +680,7 @@ void sysfs_del_hardif(struct kobject **hardif_obj)
int throw_uevent(struct bat_priv *bat_priv, enum uev_type type,
enum uev_action action, const char *data)
{
int ret = -1;
int ret = -ENOMEM;
struct hard_iface *primary_if = NULL;
struct kobject *bat_kobj;
char *uevent_env[4] = { NULL, NULL, NULL, NULL };

6
net/batman-adv/bridge_loop_avoidance.c
View File

@ -1164,13 +1164,13 @@ int bla_init(struct bat_priv *bat_priv)
bat_priv->bcast_duplist_curr = 0;
if (bat_priv->claim_hash)
return 1;
return 0;
bat_priv->claim_hash = hash_new(128);
bat_priv->backbone_hash = hash_new(32);
if (!bat_priv->claim_hash || !bat_priv->backbone_hash)
return -1;
return -ENOMEM;
batadv_hash_set_lock_class(bat_priv->claim_hash,
&claim_hash_lock_class_key);
@ -1180,7 +1180,7 @@ int bla_init(struct bat_priv *bat_priv)
bat_dbg(DBG_BLA, bat_priv, "bla hashes initialized\n");
bla_start_timer(bat_priv);
return 1;
return 0;
}
/**

4
net/batman-adv/hard-interface.c
View File

@ -306,10 +306,8 @@ int hardif_enable_interface(struct hard_iface *hard_iface,
bat_priv = netdev_priv(hard_iface->soft_iface);
ret = bat_priv->bat_algo_ops->bat_iface_enable(hard_iface);
if (ret < 0) {
ret = -ENOMEM;
if (ret < 0)
goto err_dev;
}
hard_iface->if_num = bat_priv->num_ifaces;
bat_priv->num_ifaces++;

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

@ -285,13 +285,13 @@ int bat_socket_setup(struct bat_priv *bat_priv)
d = debugfs_create_file(ICMP_SOCKET, S_IFREG | S_IWUSR | S_IRUSR,
bat_priv->debug_dir, bat_priv, &fops);
if (d)
if (!d)
goto err;
return 0;
err:
return 1;
return -ENOMEM;
}
static void bat_socket_add_packet(struct socket_client *socket_client,

27
net/batman-adv/main.c
View File

@ -92,6 +92,7 @@ static void __exit batman_exit(void)
int mesh_init(struct net_device *soft_iface)
{
struct bat_priv *bat_priv = netdev_priv(soft_iface);
int ret;
spin_lock_init(&bat_priv->forw_bat_list_lock);
spin_lock_init(&bat_priv->forw_bcast_list_lock);
@ -110,30 +111,32 @@ int mesh_init(struct net_device *soft_iface)
INIT_LIST_HEAD(&bat_priv->tt_req_list);
INIT_LIST_HEAD(&bat_priv->tt_roam_list);
if (originator_init(bat_priv) < 1)
ret = originator_init(bat_priv);
if (ret < 0)
goto err;
if (tt_init(bat_priv) < 1)
ret = tt_init(bat_priv);
if (ret < 0)
goto err;
tt_local_add(soft_iface, soft_iface->dev_addr, NULL_IFINDEX);
if (vis_init(bat_priv) < 1)
ret = vis_init(bat_priv);
if (ret < 0)
goto err;
if (bla_init(bat_priv) < 1)
ret = bla_init(bat_priv);
if (ret < 0)
goto err;
atomic_set(&bat_priv->gw_reselect, 0);
atomic_set(&bat_priv->mesh_state, MESH_ACTIVE);
goto end;
return 0;
err:
mesh_free(soft_iface);
return -1;
end:
return 0;
return ret;
}
void mesh_free(struct net_device *soft_iface)
@ -319,12 +322,13 @@ static struct bat_algo_ops *bat_algo_get(char *name)
int bat_algo_register(struct bat_algo_ops *bat_algo_ops)
{
struct bat_algo_ops *bat_algo_ops_tmp;
int ret = -1;
int ret;
bat_algo_ops_tmp = bat_algo_get(bat_algo_ops->name);
if (bat_algo_ops_tmp) {
pr_info("Trying to register already registered routing algorithm: %s\n",
bat_algo_ops->name);
ret = -EEXIST;
goto out;
}
@ -337,6 +341,7 @@ int bat_algo_register(struct bat_algo_ops *bat_algo_ops)
!bat_algo_ops->bat_ogm_emit) {
pr_info("Routing algo '%s' does not implement required ops\n",
bat_algo_ops->name);
ret = -EINVAL;
goto out;
}
@ -351,7 +356,7 @@ int bat_algo_register(struct bat_algo_ops *bat_algo_ops)
int bat_algo_select(struct bat_priv *bat_priv, char *name)
{
struct bat_algo_ops *bat_algo_ops;
int ret = -1;
int ret = -EINVAL;
bat_algo_ops = bat_algo_get(name);
if (!bat_algo_ops)

18
net/batman-adv/originator.c
View File

@ -50,7 +50,7 @@ static int compare_orig(const struct hlist_node *node, const void *data2)
int originator_init(struct bat_priv *bat_priv)
{
if (bat_priv->orig_hash)
return 1;
return 0;
bat_priv->orig_hash = hash_new(1024);
@ -58,10 +58,10 @@ int originator_init(struct bat_priv *bat_priv)
goto err;
start_purge_timer(bat_priv);
return 1;
return 0;
err:
return 0;
return -ENOMEM;
}
void neigh_node_free_ref(struct neigh_node *neigh_node)
@ -488,7 +488,7 @@ static int orig_node_add_if(struct orig_node *orig_node, int max_if_num)
data_ptr = kmalloc(max_if_num * sizeof(unsigned long) * NUM_WORDS,
GFP_ATOMIC);
if (!data_ptr)
return -1;
return -ENOMEM;
memcpy(data_ptr, orig_node->bcast_own,
(max_if_num - 1) * sizeof(unsigned long) * NUM_WORDS);
@ -497,7 +497,7 @@ static int orig_node_add_if(struct orig_node *orig_node, int max_if_num)
data_ptr = kmalloc(max_if_num * sizeof(uint8_t), GFP_ATOMIC);
if (!data_ptr)
return -1;
return -ENOMEM;
memcpy(data_ptr, orig_node->bcast_own_sum,
(max_if_num - 1) * sizeof(uint8_t));
@ -528,7 +528,7 @@ int orig_hash_add_if(struct hard_iface *hard_iface, int max_if_num)
ret = orig_node_add_if(orig_node, max_if_num);
spin_unlock_bh(&orig_node->ogm_cnt_lock);
if (ret == -1)
if (ret == -ENOMEM)
goto err;
}
rcu_read_unlock();
@ -554,7 +554,7 @@ static int orig_node_del_if(struct orig_node *orig_node,
chunk_size = sizeof(unsigned long) * NUM_WORDS;
data_ptr = kmalloc(max_if_num * chunk_size, GFP_ATOMIC);
if (!data_ptr)
return -1;
return -ENOMEM;
/* copy first part */
memcpy(data_ptr, orig_node->bcast_own, del_if_num * chunk_size);
@ -573,7 +573,7 @@ static int orig_node_del_if(struct orig_node *orig_node,
data_ptr = kmalloc(max_if_num * sizeof(uint8_t), GFP_ATOMIC);
if (!data_ptr)
return -1;
return -ENOMEM;
memcpy(data_ptr, orig_node->bcast_own_sum,
del_if_num * sizeof(uint8_t));
@ -612,7 +612,7 @@ int orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num)
hard_iface->if_num);
spin_unlock_bh(&orig_node->ogm_cnt_lock);
if (ret == -1)
if (ret == -ENOMEM)
goto err;
}
rcu_read_unlock();

24
net/batman-adv/translation-table.c
View File

@ -181,14 +181,14 @@ int tt_len(int changes_num)
static int tt_local_init(struct bat_priv *bat_priv)
{
if (bat_priv->tt_local_hash)
return 1;
return 0;
bat_priv->tt_local_hash = hash_new(1024);
if (!bat_priv->tt_local_hash)
return 0;
return -ENOMEM;
return 1;
return 0;
}
void tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
@ -491,14 +491,14 @@ static void tt_local_table_free(struct bat_priv *bat_priv)
static int tt_global_init(struct bat_priv *bat_priv)
{
if (bat_priv->tt_global_hash)
return 1;
return 0;
bat_priv->tt_global_hash = hash_new(1024);
if (!bat_priv->tt_global_hash)
return 0;
return -ENOMEM;
return 1;
return 0;
}
static void tt_changes_list_free(struct bat_priv *bat_priv)
@ -1773,11 +1773,15 @@ void handle_tt_response(struct bat_priv *bat_priv,
int tt_init(struct bat_priv *bat_priv)
{
if (!tt_local_init(bat_priv))
return 0;
int ret;
if (!tt_global_init(bat_priv))
return 0;
ret = tt_local_init(bat_priv);
if (ret < 0)
return ret;
ret = tt_global_init(bat_priv);
if (ret < 0)
return ret;
tt_start_timer(bat_priv);

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

@ -626,7 +626,7 @@ static int generate_vis_packet(struct bat_priv *bat_priv)
best_tq = find_best_vis_server(bat_priv, info);
if (best_tq < 0)
return -1;
return best_tq;
}
for (i = 0; i < hash->size; i++) {
@ -878,7 +878,7 @@ int vis_init(struct bat_priv *bat_priv)
int hash_added;
if (bat_priv->vis_hash)
return 1;
return 0;
spin_lock_bh(&bat_priv->vis_hash_lock);
@ -929,7 +929,7 @@ int vis_init(struct bat_priv *bat_priv)
spin_unlock_bh(&bat_priv->vis_hash_lock);
start_vis_timer(bat_priv);
return 1;
return 0;
free_info:
kfree(bat_priv->my_vis_info);
@ -937,7 +937,7 @@ int vis_init(struct bat_priv *bat_priv)
err:
spin_unlock_bh(&bat_priv->vis_hash_lock);
vis_quit(bat_priv);
return 0;
return -ENOMEM;
}
/* Decrease the reference count on a hash item info */