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mac80211: let sta_info_get_by_idx get sta by sdata 

Instead of filtering by device, directly look up by sdata.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-11-16 12:00:37 +01:00 committed by John W. Linville
parent cb53a150ca
commit 3b53fde8ac
3 changed files with 8 additions and 7 deletions
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4
net/mac80211/cfg.c
View File

@ -398,13 +398,13 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
int idx, u8 *mac, struct station_info *sinfo)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct sta_info *sta;
int ret = -ENOENT;
rcu_read_lock();
sta = sta_info_get_by_idx(local, idx, dev);
sta = sta_info_get_by_idx(sdata, idx);
if (sta) {
ret = 0;
memcpy(mac, sta->sta.addr, ETH_ALEN);

7
net/mac80211/sta_info.c
View File

@ -116,14 +116,15 @@ struct sta_info *sta_info_get(struct ieee80211_local *local, const u8 *addr)
return sta;
}
struct sta_info *sta_info_get_by_idx(struct ieee80211_local *local, int idx,
struct net_device *dev)
struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata,
int idx)
{
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
int i = 0;
list_for_each_entry_rcu(sta, &local->sta_list, list) {
if (dev && dev != sta->sdata->dev)
if (sdata != sta->sdata)
continue;
if (i < idx) {
++i;

4
net/mac80211/sta_info.h
View File

@ -409,8 +409,8 @@ struct sta_info *sta_info_get(struct ieee80211_local *local, const u8 *addr);
/*
* Get STA info by index, BROKEN!
*/
struct sta_info *sta_info_get_by_idx(struct ieee80211_local *local, int idx,
struct net_device *dev);
struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata,
int idx);
/*
* Create a new STA info, caller owns returned structure
* until sta_info_insert().