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batman-adv: Prefix bat_sysfs non-static functions with batadv_

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batman-adv can be compiled as part of the kernel instead of an module. In that
case the linker will see all non-static symbols of batman-adv and all other
non-static symbols of the kernel. This could lead to symbol collisions. A
prefix for the batman-adv symbols that defines their private namespace avoids
such a problem.

Reported-by: David Miller <davem@davemloft.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
This commit is contained in:
Sven Eckelmann 2012-05-12 02:09:24 +02:00 committed by Antonio Quartulli
parent 40a072d777
commit 5853e22c58
5 changed files with 21 additions and 20 deletions
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12
net/batman-adv/bat_sysfs.c
View File

@ -469,7 +469,7 @@ static struct bat_attribute *mesh_attrs[] = {
NULL,
};
int sysfs_add_meshif(struct net_device *dev)
int batadv_sysfs_add_meshif(struct net_device *dev)
{
struct kobject *batif_kobject = &dev->dev.kobj;
struct bat_priv *bat_priv = netdev_priv(dev);
@ -507,7 +507,7 @@ int sysfs_add_meshif(struct net_device *dev)
return -ENOMEM;
}
void sysfs_del_meshif(struct net_device *dev)
void batadv_sysfs_del_meshif(struct net_device *dev)
{
struct bat_priv *bat_priv = netdev_priv(dev);
struct bat_attribute **bat_attr;
@ -637,7 +637,7 @@ static struct bat_attribute *batman_attrs[] = {
NULL,
};
int sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev)
int batadv_sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev)
{
struct kobject *hardif_kobject = &dev->dev.kobj;
struct bat_attribute **bat_attr;
@ -671,14 +671,14 @@ int sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev)
return -ENOMEM;
}
void sysfs_del_hardif(struct kobject **hardif_obj)
void batadv_sysfs_del_hardif(struct kobject **hardif_obj)
{
kobject_put(*hardif_obj);
*hardif_obj = NULL;
}
int throw_uevent(struct bat_priv *bat_priv, enum uev_type type,
enum uev_action action, const char *data)
int batadv_throw_uevent(struct bat_priv *bat_priv, enum uev_type type,
enum uev_action action, const char *data)
{
int ret = -ENOMEM;
struct hard_iface *primary_if = NULL;

13
net/batman-adv/bat_sysfs.h
View File

@ -34,11 +34,12 @@ struct bat_attribute {
char *buf, size_t count);
};
int sysfs_add_meshif(struct net_device *dev);
void sysfs_del_meshif(struct net_device *dev);
int sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev);
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 batadv_sysfs_add_meshif(struct net_device *dev);
void batadv_sysfs_del_meshif(struct net_device *dev);
int batadv_sysfs_add_hardif(struct kobject **hardif_obj,
struct net_device *dev);
void batadv_sysfs_del_hardif(struct kobject **hardif_obj);
int batadv_throw_uevent(struct bat_priv *bat_priv, enum uev_type type,
enum uev_action action, const char *data);
#endif /* _NET_BATMAN_ADV_SYSFS_H_ */

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

@ -220,19 +220,19 @@ void gw_election(struct bat_priv *bat_priv)
if ((curr_gw) && (!next_gw)) {
bat_dbg(DBG_BATMAN, bat_priv,
"Removing selected gateway - no gateway in range\n");
throw_uevent(bat_priv, UEV_GW, UEV_DEL, NULL);
batadv_throw_uevent(bat_priv, UEV_GW, UEV_DEL, NULL);
} else if ((!curr_gw) && (next_gw)) {
bat_dbg(DBG_BATMAN, bat_priv,
"Adding route to gateway %pM (gw_flags: %i, tq: %i)\n",
next_gw->orig_node->orig, next_gw->orig_node->gw_flags,
router->tq_avg);
throw_uevent(bat_priv, UEV_GW, UEV_ADD, gw_addr);
batadv_throw_uevent(bat_priv, UEV_GW, UEV_ADD, gw_addr);
} else {
bat_dbg(DBG_BATMAN, bat_priv,
"Changing route to gateway %pM (gw_flags: %i, tq: %i)\n",
next_gw->orig_node->orig, next_gw->orig_node->gw_flags,
router->tq_avg);
throw_uevent(bat_priv, UEV_GW, UEV_CHANGE, gw_addr);
batadv_throw_uevent(bat_priv, UEV_GW, UEV_CHANGE, gw_addr);
}
gw_select(bat_priv, next_gw);

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

@ -423,7 +423,7 @@ static struct hard_iface *hardif_add_interface(struct net_device *net_dev)
if (!hard_iface)
goto release_dev;
ret = sysfs_add_hardif(&hard_iface->hardif_obj, net_dev);
ret = batadv_sysfs_add_hardif(&hard_iface->hardif_obj, net_dev);
if (ret)
goto free_if;
@ -467,7 +467,7 @@ static void hardif_remove_interface(struct hard_iface *hard_iface)
return;
hard_iface->if_status = IF_TO_BE_REMOVED;
sysfs_del_hardif(&hard_iface->hardif_obj);
batadv_sysfs_del_hardif(&hard_iface->hardif_obj);
hardif_free_ref(hard_iface);
}

6
net/batman-adv/soft-interface.c
View File

@ -415,7 +415,7 @@ struct net_device *softif_create(const char *name)
if (ret < 0)
goto free_bat_counters;
ret = sysfs_add_meshif(soft_iface);
ret = batadv_sysfs_add_meshif(soft_iface);
if (ret < 0)
goto free_bat_counters;
@ -432,7 +432,7 @@ struct net_device *softif_create(const char *name)
unreg_debugfs:
batadv_debugfs_del_meshif(soft_iface);
unreg_sysfs:
sysfs_del_meshif(soft_iface);
batadv_sysfs_del_meshif(soft_iface);
free_bat_counters:
free_percpu(bat_priv->bat_counters);
unreg_soft_iface:
@ -448,7 +448,7 @@ struct net_device *softif_create(const char *name)
void softif_destroy(struct net_device *soft_iface)
{
batadv_debugfs_del_meshif(soft_iface);
sysfs_del_meshif(soft_iface);
batadv_sysfs_del_meshif(soft_iface);
mesh_free(soft_iface);
unregister_netdevice(soft_iface);
}