diff options
Diffstat (limited to 'net/batman-adv/bat_sysfs.c')
| -rw-r--r-- | net/batman-adv/bat_sysfs.c | 735 |
1 files changed, 0 insertions, 735 deletions
diff --git a/net/batman-adv/bat_sysfs.c b/net/batman-adv/bat_sysfs.c deleted file mode 100644 index 5bc7b66d32dc..000000000000 --- a/net/batman-adv/bat_sysfs.c +++ /dev/null @@ -1,735 +0,0 @@ -/* - * Copyright (C) 2010-2012 B.A.T.M.A.N. contributors: - * - * Marek Lindner - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA - * - */ - -#include "main.h" -#include "bat_sysfs.h" -#include "translation-table.h" -#include "originator.h" -#include "hard-interface.h" -#include "gateway_common.h" -#include "gateway_client.h" -#include "vis.h" - -static struct net_device *kobj_to_netdev(struct kobject *obj) -{ - struct device *dev = container_of(obj->parent, struct device, kobj); - return to_net_dev(dev); -} - -static struct bat_priv *kobj_to_batpriv(struct kobject *obj) -{ - struct net_device *net_dev = kobj_to_netdev(obj); - return netdev_priv(net_dev); -} - -#define UEV_TYPE_VAR "BATTYPE=" -#define UEV_ACTION_VAR "BATACTION=" -#define UEV_DATA_VAR "BATDATA=" - -static char *uev_action_str[] = { - "add", - "del", - "change" -}; - -static char *uev_type_str[] = { - "gw" -}; - -/* Use this, if you have customized show and store functions */ -#define BAT_ATTR(_name, _mode, _show, _store) \ -struct bat_attribute bat_attr_##_name = { \ - .attr = {.name = __stringify(_name), \ - .mode = _mode }, \ - .show = _show, \ - .store = _store, \ -}; - -#define BAT_ATTR_SIF_STORE_BOOL(_name, _post_func) \ -ssize_t store_##_name(struct kobject *kobj, struct attribute *attr, \ - char *buff, size_t count) \ -{ \ - struct net_device *net_dev = kobj_to_netdev(kobj); \ - struct bat_priv *bat_priv = netdev_priv(net_dev); \ - return __store_bool_attr(buff, count, _post_func, attr, \ - &bat_priv->_name, net_dev); \ -} - -#define BAT_ATTR_SIF_SHOW_BOOL(_name) \ -ssize_t show_##_name(struct kobject *kobj, \ - struct attribute *attr, char *buff) \ -{ \ - struct bat_priv *bat_priv = kobj_to_batpriv(kobj); \ - return sprintf(buff, "%s\n", \ - atomic_read(&bat_priv->_name) == 0 ? \ - "disabled" : "enabled"); \ -} \ - -/* Use this, if you are going to turn a [name] in the soft-interface - * (bat_priv) on or off */ -#define BAT_ATTR_SIF_BOOL(_name, _mode, _post_func) \ - static BAT_ATTR_SIF_STORE_BOOL(_name, _post_func) \ - static BAT_ATTR_SIF_SHOW_BOOL(_name) \ - static BAT_ATTR(_name, _mode, show_##_name, store_##_name) - - -#define BAT_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func) \ -ssize_t store_##_name(struct kobject *kobj, struct attribute *attr, \ - char *buff, size_t count) \ -{ \ - struct net_device *net_dev = kobj_to_netdev(kobj); \ - struct bat_priv *bat_priv = netdev_priv(net_dev); \ - return __store_uint_attr(buff, count, _min, _max, _post_func, \ - attr, &bat_priv->_name, net_dev); \ -} - -#define BAT_ATTR_SIF_SHOW_UINT(_name) \ -ssize_t show_##_name(struct kobject *kobj, \ - struct attribute *attr, char *buff) \ -{ \ - struct bat_priv *bat_priv = kobj_to_batpriv(kobj); \ - return sprintf(buff, "%i\n", atomic_read(&bat_priv->_name)); \ -} \ - -/* Use this, if you are going to set [name] in the soft-interface - * (bat_priv) to an unsigned integer value */ -#define BAT_ATTR_SIF_UINT(_name, _mode, _min, _max, _post_func) \ - static BAT_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func) \ - static BAT_ATTR_SIF_SHOW_UINT(_name) \ - static BAT_ATTR(_name, _mode, show_##_name, store_##_name) - - -#define BAT_ATTR_HIF_STORE_UINT(_name, _min, _max, _post_func) \ -ssize_t store_##_name(struct kobject *kobj, struct attribute *attr, \ - char *buff, size_t count) \ -{ \ - struct net_device *net_dev = kobj_to_netdev(kobj); \ - struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev); \ - ssize_t length; \ - \ - if (!hard_iface) \ - return 0; \ - \ - length = __store_uint_attr(buff, count, _min, _max, _post_func, \ - attr, &hard_iface->_name, net_dev); \ - \ - hardif_free_ref(hard_iface); \ - return length; \ -} - -#define BAT_ATTR_HIF_SHOW_UINT(_name) \ -ssize_t show_##_name(struct kobject *kobj, \ - struct attribute *attr, char *buff) \ -{ \ - struct net_device *net_dev = kobj_to_netdev(kobj); \ - struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev); \ - ssize_t length; \ - \ - if (!hard_iface) \ - return 0; \ - \ - length = sprintf(buff, "%i\n", atomic_read(&hard_iface->_name));\ - \ - hardif_free_ref(hard_iface); \ - return length; \ -} - -/* Use this, if you are going to set [name] in hard_iface to an - * unsigned integer value*/ -#define BAT_ATTR_HIF_UINT(_name, _mode, _min, _max, _post_func) \ - static BAT_ATTR_HIF_STORE_UINT(_name, _min, _max, _post_func) \ - static BAT_ATTR_HIF_SHOW_UINT(_name) \ - static BAT_ATTR(_name, _mode, show_##_name, store_##_name) - - -static int store_bool_attr(char *buff, size_t count, - struct net_device *net_dev, - const char *attr_name, atomic_t *attr) -{ - int enabled = -1; - - if (buff[count - 1] == '\n') - buff[count - 1] = '\0'; - - if ((strncmp(buff, "1", 2) == 0) || - (strncmp(buff, "enable", 7) == 0) || - (strncmp(buff, "enabled", 8) == 0)) - enabled = 1; - - if ((strncmp(buff, "0", 2) == 0) || - (strncmp(buff, "disable", 8) == 0) || - (strncmp(buff, "disabled", 9) == 0)) - enabled = 0; - - if (enabled < 0) { - bat_info(net_dev, - "%s: Invalid parameter received: %s\n", - attr_name, buff); - return -EINVAL; - } - - if (atomic_read(attr) == enabled) - return count; - - bat_info(net_dev, "%s: Changing from: %s to: %s\n", attr_name, - atomic_read(attr) == 1 ? "enabled" : "disabled", - enabled == 1 ? "enabled" : "disabled"); - - atomic_set(attr, (unsigned int)enabled); - return count; -} - -static inline ssize_t __store_bool_attr(char *buff, size_t count, - void (*post_func)(struct net_device *), - struct attribute *attr, - atomic_t *attr_store, struct net_device *net_dev) -{ - int ret; - - ret = store_bool_attr(buff, count, net_dev, attr->name, attr_store); - if (post_func && ret) - post_func(net_dev); - - return ret; -} - -static int store_uint_attr(const char *buff, size_t count, - struct net_device *net_dev, const char *attr_name, - unsigned int min, unsigned int max, atomic_t *attr) -{ - unsigned long uint_val; - int ret; - - ret = kstrtoul(buff, 10, &uint_val); - if (ret) { - bat_info(net_dev, - "%s: Invalid parameter received: %s\n", - attr_name, buff); - return -EINVAL; - } - - if (uint_val < min) { - bat_info(net_dev, "%s: Value is too small: %lu min: %u\n", - attr_name, uint_val, min); - return -EINVAL; - } - - if (uint_val > max) { - bat_info(net_dev, "%s: Value is too big: %lu max: %u\n", - attr_name, uint_val, max); - return -EINVAL; - } - - if (atomic_read(attr) == uint_val) - return count; - - bat_info(net_dev, "%s: Changing from: %i to: %lu\n", - attr_name, atomic_read(attr), uint_val); - - atomic_set(attr, uint_val); - return count; -} - -static inline ssize_t __store_uint_attr(const char *buff, size_t count, - int min, int max, - void (*post_func)(struct net_device *), - const struct attribute *attr, - atomic_t *attr_store, struct net_device *net_dev) -{ - int ret; - - ret = store_uint_attr(buff, count, net_dev, attr->name, - min, max, attr_store); - if (post_func && ret) - post_func(net_dev); - - return ret; -} - -static ssize_t show_vis_mode(struct kobject *kobj, struct attribute *attr, - char *buff) -{ - struct bat_priv *bat_priv = kobj_to_batpriv(kobj); - int vis_mode = atomic_read(&bat_priv->vis_mode); - - return sprintf(buff, "%s\n", - vis_mode == VIS_TYPE_CLIENT_UPDATE ? - "client" : "server"); -} - -static ssize_t store_vis_mode(struct kobject *kobj, struct attribute *attr, - char *buff, size_t count) -{ - struct net_device *net_dev = kobj_to_netdev(kobj); - struct bat_priv *bat_priv = netdev_priv(net_dev); - unsigned long val; - int ret, vis_mode_tmp = -1; - - ret = kstrtoul(buff, 10, &val); - - if (((count == 2) && (!ret) && (val == VIS_TYPE_CLIENT_UPDATE)) || - (strncmp(buff, "client", 6) == 0) || - (strncmp(buff, "off", 3) == 0)) - vis_mode_tmp = VIS_TYPE_CLIENT_UPDATE; - - if (((count == 2) && (!ret) && (val == VIS_TYPE_SERVER_SYNC)) || - (strncmp(buff, "server", 6) == 0)) - vis_mode_tmp = VIS_TYPE_SERVER_SYNC; - - if (vis_mode_tmp < 0) { - if (buff[count - 1] == '\n') - buff[count - 1] = '\0'; - - bat_info(net_dev, - "Invalid parameter for 'vis mode' setting received: %s\n", - buff); - return -EINVAL; - } - - if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp) - return count; - - bat_info(net_dev, "Changing vis mode from: %s to: %s\n", - atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE ? - "client" : "server", vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE ? - "client" : "server"); - - atomic_set(&bat_priv->vis_mode, (unsigned int)vis_mode_tmp); - return count; -} - -static ssize_t show_bat_algo(struct kobject *kobj, struct attribute *attr, - char *buff) -{ - struct bat_priv *bat_priv = kobj_to_batpriv(kobj); - return sprintf(buff, "%s\n", bat_priv->bat_algo_ops->name); -} - -static void post_gw_deselect(struct net_device *net_dev) -{ - struct bat_priv *bat_priv = netdev_priv(net_dev); - gw_deselect(bat_priv); -} - -static ssize_t show_gw_mode(struct kobject *kobj, struct attribute *attr, - char *buff) -{ - struct bat_priv *bat_priv = kobj_to_batpriv(kobj); - int bytes_written; - - switch (atomic_read(&bat_priv->gw_mode)) { - case GW_MODE_CLIENT: - bytes_written = sprintf(buff, "%s\n", GW_MODE_CLIENT_NAME); - break; - case GW_MODE_SERVER: - bytes_written = sprintf(buff, "%s\n", GW_MODE_SERVER_NAME); - break; - default: - bytes_written = sprintf(buff, "%s\n", GW_MODE_OFF_NAME); - break; - } - - return bytes_written; -} - -static ssize_t store_gw_mode(struct kobject *kobj, struct attribute *attr, - char *buff, size_t count) -{ - struct net_device *net_dev = kobj_to_netdev(kobj); - struct bat_priv *bat_priv = netdev_priv(net_dev); - char *curr_gw_mode_str; - int gw_mode_tmp = -1; - - if (buff[count - 1] == '\n') - buff[count - 1] = '\0'; - - if (strncmp(buff, GW_MODE_OFF_NAME, strlen(GW_MODE_OFF_NAME)) == 0) - gw_mode_tmp = GW_MODE_OFF; - - if (strncmp(buff, GW_MODE_CLIENT_NAME, - strlen(GW_MODE_CLIENT_NAME)) == 0) - gw_mode_tmp = GW_MODE_CLIENT; - - if (strncmp(buff, GW_MODE_SERVER_NAME, - strlen(GW_MODE_SERVER_NAME)) == 0) - gw_mode_tmp = GW_MODE_SERVER; - - if (gw_mode_tmp < 0) { - bat_info(net_dev, - "Invalid parameter for 'gw mode' setting received: %s\n", - buff); - return -EINVAL; - } - - if (atomic_read(&bat_priv->gw_mode) == gw_mode_tmp) - return count; - - switch (atomic_read(&bat_priv->gw_mode)) { - case GW_MODE_CLIENT: - curr_gw_mode_str = GW_MODE_CLIENT_NAME; - break; - case GW_MODE_SERVER: - curr_gw_mode_str = GW_MODE_SERVER_NAME; - break; - default: - curr_gw_mode_str = GW_MODE_OFF_NAME; - break; - } - - bat_info(net_dev, "Changing gw mode from: %s to: %s\n", - curr_gw_mode_str, buff); - - gw_deselect(bat_priv); - atomic_set(&bat_priv->gw_mode, (unsigned int)gw_mode_tmp); - return count; -} - -static ssize_t show_gw_bwidth(struct kobject *kobj, struct attribute *attr, - char *buff) -{ - struct bat_priv *bat_priv = kobj_to_batpriv(kobj); - int down, up; - int gw_bandwidth = atomic_read(&bat_priv->gw_bandwidth); - - gw_bandwidth_to_kbit(gw_bandwidth, &down, &up); - return sprintf(buff, "%i%s/%i%s\n", - (down > 2048 ? down / 1024 : down), - (down > 2048 ? "MBit" : "KBit"), - (up > 2048 ? up / 1024 : up), - (up > 2048 ? "MBit" : "KBit")); -} - -static ssize_t store_gw_bwidth(struct kobject *kobj, struct attribute *attr, - char *buff, size_t count) -{ - struct net_device *net_dev = kobj_to_netdev(kobj); - - if (buff[count - 1] == '\n') - buff[count - 1] = '\0'; - - return gw_bandwidth_set(net_dev, buff, count); -} - -BAT_ATTR_SIF_BOOL(aggregated_ogms, S_IRUGO | S_IWUSR, NULL); -BAT_ATTR_SIF_BOOL(bonding, S_IRUGO | S_IWUSR, NULL); -#ifdef CONFIG_BATMAN_ADV_BLA -BAT_ATTR_SIF_BOOL(bridge_loop_avoidance, S_IRUGO | S_IWUSR, NULL); -#endif -BAT_ATTR_SIF_BOOL(fragmentation, S_IRUGO | S_IWUSR, update_min_mtu); -BAT_ATTR_SIF_BOOL(ap_isolation, S_IRUGO | S_IWUSR, NULL); -static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode); -static BAT_ATTR(routing_algo, S_IRUGO, show_bat_algo, NULL); -static BAT_ATTR(gw_mode, S_IRUGO | S_IWUSR, show_gw_mode, store_gw_mode); -BAT_ATTR_SIF_UINT(orig_interval, S_IRUGO | S_IWUSR, 2 * JITTER, INT_MAX, NULL); -BAT_ATTR_SIF_UINT(hop_penalty, S_IRUGO | S_IWUSR, 0, TQ_MAX_VALUE, NULL); -BAT_ATTR_SIF_UINT(gw_sel_class, S_IRUGO | S_IWUSR, 1, TQ_MAX_VALUE, - post_gw_deselect); -static BAT_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, show_gw_bwidth, - store_gw_bwidth); -#ifdef CONFIG_BATMAN_ADV_DEBUG -BAT_ATTR_SIF_UINT(log_level, S_IRUGO | S_IWUSR, 0, 15, NULL); -#endif - -static struct bat_attribute *mesh_attrs[] = { - &bat_attr_aggregated_ogms, - &bat_attr_bonding, -#ifdef CONFIG_BATMAN_ADV_BLA - &bat_attr_bridge_loop_avoidance, -#endif - &bat_attr_fragmentation, - &bat_attr_ap_isolation, - &bat_attr_vis_mode, - &bat_attr_routing_algo, - &bat_attr_gw_mode, - &bat_attr_orig_interval, - &bat_attr_hop_penalty, - &bat_attr_gw_sel_class, - &bat_attr_gw_bandwidth, -#ifdef CONFIG_BATMAN_ADV_DEBUG - &bat_attr_log_level, -#endif - NULL, -}; - -int sysfs_add_meshif(struct net_device *dev) -{ - struct kobject *batif_kobject = &dev->dev.kobj; - struct bat_priv *bat_priv = netdev_priv(dev); - struct bat_attribute **bat_attr; - int err; - - bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR, - batif_kobject); - if (!bat_priv->mesh_obj) { - bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, - SYSFS_IF_MESH_SUBDIR); - goto out; - } - - for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) { - err = sysfs_create_file(bat_priv->mesh_obj, - &((*bat_attr)->attr)); - if (err) { - bat_err(dev, "Can't add sysfs file: %s/%s/%s\n", - dev->name, SYSFS_IF_MESH_SUBDIR, - ((*bat_attr)->attr).name); - goto rem_attr; - } - } - - return 0; - -rem_attr: - for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) - sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); - - kobject_put(bat_priv->mesh_obj); - bat_priv->mesh_obj = NULL; -out: - return -ENOMEM; -} - -void sysfs_del_meshif(struct net_device *dev) -{ - struct bat_priv *bat_priv = netdev_priv(dev); - struct bat_attribute **bat_attr; - - for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) - sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); - - kobject_put(bat_priv->mesh_obj); - bat_priv->mesh_obj = NULL; -} - -static ssize_t show_mesh_iface(struct kobject *kobj, struct attribute *attr, - char *buff) -{ - struct net_device *net_dev = kobj_to_netdev(kobj); - struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev); - ssize_t length; - - if (!hard_iface) - return 0; - - length = sprintf(buff, "%s\n", hard_iface->if_status == IF_NOT_IN_USE ? - "none" : hard_iface->soft_iface->name); - - hardif_free_ref(hard_iface); - - return length; -} - -static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr, - char *buff, size_t count) -{ - struct net_device *net_dev = kobj_to_netdev(kobj); - struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev); - int status_tmp = -1; - int ret = count; - - if (!hard_iface) - return count; - - if (buff[count - 1] == '\n') - buff[count - 1] = '\0'; - - if (strlen(buff) >= IFNAMSIZ) { - pr_err("Invalid parameter for 'mesh_iface' setting received: interface name too long '%s'\n", - buff); - hardif_free_ref(hard_iface); - return -EINVAL; - } - - if (strncmp(buff, "none", 4) == 0) - status_tmp = IF_NOT_IN_USE; - else - status_tmp = IF_I_WANT_YOU; - - if (hard_iface->if_status == status_tmp) - goto out; - - if ((hard_iface->soft_iface) && - (strncmp(hard_iface->soft_iface->name, buff, IFNAMSIZ) == 0)) - goto out; - - if (!rtnl_trylock()) { - ret = -ERESTARTSYS; - goto out; - } - - if (status_tmp == IF_NOT_IN_USE) { - hardif_disable_interface(hard_iface); - goto unlock; - } - - /* if the interface already is in use */ - if (hard_iface->if_status != IF_NOT_IN_USE) - hardif_disable_interface(hard_iface); - - ret = hardif_enable_interface(hard_iface, buff); - -unlock: - rtnl_unlock(); -out: - hardif_free_ref(hard_iface); - return ret; -} - -static ssize_t show_iface_status(struct kobject *kobj, struct attribute *attr, - char *buff) -{ - struct net_device *net_dev = kobj_to_netdev(kobj); - struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev); - ssize_t length; - - if (!hard_iface) - return 0; - - switch (hard_iface->if_status) { - case IF_TO_BE_REMOVED: - length = sprintf(buff, "disabling\n"); - break; - case IF_INACTIVE: - length = sprintf(buff, "inactive\n"); - break; - case IF_ACTIVE: - length = sprintf(buff, "active\n"); - break; - case IF_TO_BE_ACTIVATED: - length = sprintf(buff, "enabling\n"); - break; - case IF_NOT_IN_USE: - default: - length = sprintf(buff, "not in use\n"); - break; - } - - hardif_free_ref(hard_iface); - - return length; -} - -static BAT_ATTR(mesh_iface, S_IRUGO | S_IWUSR, - show_mesh_iface, store_mesh_iface); -static BAT_ATTR(iface_status, S_IRUGO, show_iface_status, NULL); - -static struct bat_attribute *batman_attrs[] = { - &bat_attr_mesh_iface, - &bat_attr_iface_status, - NULL, -}; - -int sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev) -{ - struct kobject *hardif_kobject = &dev->dev.kobj; - struct bat_attribute **bat_attr; - int err; - - *hardif_obj = kobject_create_and_add(SYSFS_IF_BAT_SUBDIR, - hardif_kobject); - - if (!*hardif_obj) { - bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, - SYSFS_IF_BAT_SUBDIR); - goto out; - } - - for (bat_attr = batman_attrs; *bat_attr; ++bat_attr) { - err = sysfs_create_file(*hardif_obj, &((*bat_attr)->attr)); - if (err) { - bat_err(dev, "Can't add sysfs file: %s/%s/%s\n", - dev->name, SYSFS_IF_BAT_SUBDIR, - ((*bat_attr)->attr).name); - goto rem_attr; - } - } - - return 0; - -rem_attr: - for (bat_attr = batman_attrs; *bat_attr; ++bat_attr) - sysfs_remove_file(*hardif_obj, &((*bat_attr)->attr)); -out: - return -ENOMEM; -} - -void 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 ret = -1; - struct hard_iface *primary_if = NULL; - struct kobject *bat_kobj; - char *uevent_env[4] = { NULL, NULL, NULL, NULL }; - - primary_if = primary_if_get_selected(bat_priv); - if (!primary_if) - goto out; - - bat_kobj = &primary_if->soft_iface->dev.kobj; - - uevent_env[0] = kmalloc(strlen(UEV_TYPE_VAR) + - strlen(uev_type_str[type]) + 1, - GFP_ATOMIC); - if (!uevent_env[0]) - goto out; - - sprintf(uevent_env[0], "%s%s", UEV_TYPE_VAR, uev_type_str[type]); - - uevent_env[1] = kmalloc(strlen(UEV_ACTION_VAR) + - strlen(uev_action_str[action]) + 1, - GFP_ATOMIC); - if (!uevent_env[1]) - goto out; - - sprintf(uevent_env[1], "%s%s", UEV_ACTION_VAR, uev_action_str[action]); - - /* If the event is DEL, ignore the data field */ - if (action != UEV_DEL) { - uevent_env[2] = kmalloc(strlen(UEV_DATA_VAR) + - strlen(data) + 1, GFP_ATOMIC); - if (!uevent_env[2]) - goto out; - - sprintf(uevent_env[2], "%s%s", UEV_DATA_VAR, data); - } - - ret = kobject_uevent_env(bat_kobj, KOBJ_CHANGE, uevent_env); -out: - kfree(uevent_env[0]); - kfree(uevent_env[1]); - kfree(uevent_env[2]); - - if (primary_if) - hardif_free_ref(primary_if); - - if (ret) - bat_dbg(DBG_BATMAN, bat_priv, - "Impossible to send uevent for (%s,%s,%s) event (err: %d)\n", - uev_type_str[type], uev_action_str[action], - (action == UEV_DEL ? "NULL" : data), ret); - return ret; -} |