diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c
index 7d289e50de7178c2a9390fc4688542acf96a36bd..ad14c8086fe7792cb749858adeae2804016eb92b 100644
--- a/net/batman-adv/sysfs.c
+++ b/net/batman-adv/sysfs.c
@@ -7,6 +7,7 @@
#include "sysfs.h"
#include "main.h"
+#include <asm/current.h>
#include <linux/atomic.h>
#include <linux/compiler.h>
#include <linux/device.h>
@@ -22,6 +23,7 @@
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/rtnetlink.h>
+#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/stddef.h>
#include <linux/string.h>
@@ -40,6 +42,16 @@
#include "network-coding.h"
#include "soft-interface.h"
+/**
+ * batadv_sysfs_deprecated() - Log use of deprecated batadv sysfs access
+ * @attr: attribute which was accessed
+ */
+static void batadv_sysfs_deprecated(struct attribute *attr)
+{
+ pr_warn_ratelimited(DEPRECATED "%s (pid %d) Use of sysfs file \"%s\".\nUse batadv genl family instead",
+ current->comm, task_pid_nr(current), attr->name);
+}
+
static struct net_device *batadv_kobj_to_netdev(struct kobject *obj)
{
struct device *dev = container_of(obj->parent, struct device, kobj);
@@ -129,6 +141,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \
struct batadv_priv *bat_priv = netdev_priv(net_dev); \
ssize_t length; \
\
+ batadv_sysfs_deprecated(attr); \
length = __batadv_store_bool_attr(buff, count, _post_func, attr,\
&bat_priv->_name, net_dev); \
\
@@ -143,6 +156,7 @@ ssize_t batadv_show_##_name(struct kobject *kobj, \
{ \
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
\
+ batadv_sysfs_deprecated(attr); \
return sprintf(buff, "%s\n", \
atomic_read(&bat_priv->_name) == 0 ? \
"disabled" : "enabled"); \
@@ -166,6 +180,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \
struct batadv_priv *bat_priv = netdev_priv(net_dev); \
ssize_t length; \
\
+ batadv_sysfs_deprecated(attr); \
length = __batadv_store_uint_attr(buff, count, _min, _max, \
_post_func, attr, \
&bat_priv->_var, net_dev, \
@@ -182,6 +197,7 @@ ssize_t batadv_show_##_name(struct kobject *kobj, \
{ \
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
\
+ batadv_sysfs_deprecated(attr); \
return sprintf(buff, "%i\n", atomic_read(&bat_priv->_var)); \
} \
@@ -206,6 +222,7 @@ ssize_t batadv_store_vlan_##_name(struct kobject *kobj, \
attr, &vlan->_name, \
bat_priv->soft_iface); \
\
+ batadv_sysfs_deprecated(attr); \
if (vlan->vid) \
batadv_netlink_notify_vlan(bat_priv, vlan); \
else \
@@ -226,6 +243,7 @@ ssize_t batadv_show_vlan_##_name(struct kobject *kobj, \
atomic_read(&vlan->_name) == 0 ? \
"disabled" : "enabled"); \
\
+ batadv_sysfs_deprecated(attr); \
batadv_softif_vlan_put(vlan); \
return res; \
}
@@ -247,6 +265,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \
struct batadv_priv *bat_priv; \
ssize_t length; \
\
+ batadv_sysfs_deprecated(attr); \
hard_iface = batadv_hardif_get_by_netdev(net_dev); \
if (!hard_iface) \
return 0; \
@@ -274,6 +293,7 @@ ssize_t batadv_show_##_name(struct kobject *kobj, \
struct batadv_hard_iface *hard_iface; \
ssize_t length; \
\
+ batadv_sysfs_deprecated(attr); \
hard_iface = batadv_hardif_get_by_netdev(net_dev); \
if (!hard_iface) \
return 0; \
@@ -418,6 +438,7 @@ static ssize_t batadv_show_bat_algo(struct kobject *kobj,
{
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
+ batadv_sysfs_deprecated(attr);
return sprintf(buff, "%s\n", bat_priv->algo_ops->name);
}
@@ -434,6 +455,8 @@ static ssize_t batadv_show_gw_mode(struct kobject *kobj, struct attribute *attr,
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
int bytes_written;
+ batadv_sysfs_deprecated(attr);
+
/* GW mode is not available if the routing algorithm in use does not
* implement the GW API
*/
@@ -468,6 +491,8 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj,
char *curr_gw_mode_str;
int gw_mode_tmp = -1;
+ batadv_sysfs_deprecated(attr);
+
/* toggling GW mode is allowed only if the routing algorithm in use
* provides the GW API
*/
@@ -542,6 +567,8 @@ static ssize_t batadv_show_gw_sel_class(struct kobject *kobj,
{
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
+ batadv_sysfs_deprecated(attr);
+
/* GW selection class is not available if the routing algorithm in use
* does not implement the GW API
*/
@@ -562,6 +589,8 @@ static ssize_t batadv_store_gw_sel_class(struct kobject *kobj,
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
ssize_t length;
+ batadv_sysfs_deprecated(attr);
+
/* setting the GW selection class is allowed only if the routing
* algorithm in use implements the GW API
*/
@@ -592,6 +621,8 @@ static ssize_t batadv_show_gw_bwidth(struct kobject *kobj,
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
u32 down, up;
+ batadv_sysfs_deprecated(attr);
+
down = atomic_read(&bat_priv->gw.bandwidth_down);
up = atomic_read(&bat_priv->gw.bandwidth_up);
@@ -607,6 +638,8 @@ static ssize_t batadv_store_gw_bwidth(struct kobject *kobj,
struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
ssize_t length;
+ batadv_sysfs_deprecated(attr);
+
if (buff[count - 1] == '\n')
buff[count - 1] = '\0';
@@ -631,6 +664,7 @@ static ssize_t batadv_show_isolation_mark(struct kobject *kobj,
{
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
+ batadv_sysfs_deprecated(attr);
return sprintf(buff, "%#.8x/%#.8x\n", bat_priv->isolation_mark,
bat_priv->isolation_mark_mask);
}
@@ -654,6 +688,8 @@ static ssize_t batadv_store_isolation_mark(struct kobject *kobj,
u32 mark, mask;
char *mask_ptr;
+ batadv_sysfs_deprecated(attr);
+
/* parse the mask if it has been specified, otherwise assume the mask is
* the biggest possible
*/
@@ -909,6 +945,8 @@ static ssize_t batadv_show_mesh_iface(struct kobject *kobj,
ssize_t length;
const char *ifname;
+ batadv_sysfs_deprecated(attr);
+
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface)
return 0;
@@ -1013,6 +1051,8 @@ static ssize_t batadv_store_mesh_iface(struct kobject *kobj,
struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct batadv_store_mesh_work *store_work;
+ batadv_sysfs_deprecated(attr);
+
if (buff[count - 1] == '\n')
buff[count - 1] = '\0';
@@ -1044,6 +1084,8 @@ static ssize_t batadv_show_iface_status(struct kobject *kobj,
struct batadv_hard_iface *hard_iface;
ssize_t length;
+ batadv_sysfs_deprecated(attr);
+
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface)
return 0;
@@ -1095,6 +1137,8 @@ static ssize_t batadv_store_throughput_override(struct kobject *kobj,
u32 old_tp_override;
bool ret;
+ batadv_sysfs_deprecated(attr);
+
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface)
return -EINVAL;
@@ -1134,6 +1178,8 @@ static ssize_t batadv_show_throughput_override(struct kobject *kobj,
struct batadv_hard_iface *hard_iface;
u32 tp_override;
+ batadv_sysfs_deprecated(attr);
+
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface)
return -EINVAL;