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mac80211: remove sta_remove_debugfs driver callback

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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,