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mac80211: remove sta_remove_debugfs driver callback 

No drivers implement this, relying either on the recursive
directory removal to remove their debugfs, or not having any
to start with. Remove the dead driver callback.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2016-09-14 10:03:00 +02:00
parent 8826fef95b
commit c7e9dbcf09
3 changed files with 2 additions and 28 deletions
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11
include/net/mac80211.h
View File

@ -3101,11 +3101,8 @@ enum ieee80211_reconfig_type {
*
* @sta_add_debugfs: Drivers can use this callback to add debugfs files
* when a station is added to mac80211's station list. This callback
* and @sta_remove_debugfs should be within a CONFIG_MAC80211_DEBUGFS
* conditional. This callback can sleep.
*
* @sta_remove_debugfs: Remove the debugfs files which were added using
* @sta_add_debugfs. This callback can sleep.
* should be within a CONFIG_MAC80211_DEBUGFS conditional. This
* callback can sleep.
*
* @sta_notify: Notifies low level driver about power state transition of an
* associated station, AP, IBSS/WDS/mesh peer etc. For a VIF operating
@ -3501,10 +3498,6 @@ struct ieee80211_ops {
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct dentry *dir);
void (*sta_remove_debugfs)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct dentry *dir);
#endif
void (*sta_notify)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
enum sta_notify_cmd, struct ieee80211_sta *sta);

4
net/mac80211/debugfs_sta.c
View File

@ -544,10 +544,6 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
void ieee80211_sta_debugfs_remove(struct sta_info *sta)
{
struct ieee80211_local *local = sta->local;
struct ieee80211_sub_if_data *sdata = sta->sdata;
drv_sta_remove_debugfs(local, sdata, &sta->sta, sta->debugfs_dir);
debugfs_remove_recursive(sta->debugfs_dir);
sta->debugfs_dir = NULL;
}

15
net/mac80211/driver-ops.h
View File

@ -499,21 +499,6 @@ static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
sta, dir);
}
static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct ieee80211_sta *sta,
struct dentry *dir)
{
might_sleep();
sdata = get_bss_sdata(sdata);
check_sdata_in_driver(sdata);
if (local->ops->sta_remove_debugfs)
local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
sta, dir);
}
#endif
static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local,