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-rw-r--r--net/mac80211/sta_info.c14
-rw-r--r--net/mac80211/sta_info.h4
-rw-r--r--net/mac80211/status.c10
3 files changed, 20 insertions, 8 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 8d3a2389b055..41bf32080dac 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -210,6 +210,20 @@ struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata,
return NULL;
}
+struct sta_info *sta_info_get_by_addrs(struct ieee80211_local *local,
+ const u8 *sta_addr, const u8 *vif_addr)
+{
+ struct rhlist_head *tmp;
+ struct sta_info *sta;
+
+ for_each_sta_info(local, sta_addr, sta, tmp) {
+ if (ether_addr_equal(vif_addr, sta->sdata->vif.addr))
+ return sta;
+ }
+
+ return NULL;
+}
+
struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata,
int idx)
{
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 369c2dddce52..0bd69a794758 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -725,6 +725,10 @@ struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata,
const u8 *addr);
+/* user must hold sta_mtx or be in RCU critical section */
+struct sta_info *sta_info_get_by_addrs(struct ieee80211_local *local,
+ const u8 *sta_addr, const u8 *vif_addr);
+
#define for_each_sta_info(local, _addr, _sta, _tmp) \
rhl_for_each_entry_rcu(_sta, _tmp, \
sta_info_hash_lookup(local, _addr), hash_node)
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index ab8ba5835ca0..0e51def35b8a 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -1073,19 +1073,13 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
.skb = skb,
.info = IEEE80211_SKB_CB(skb),
};
- struct rhlist_head *tmp;
struct sta_info *sta;
rcu_read_lock();
- for_each_sta_info(local, hdr->addr1, sta, tmp) {
- /* skip wrong virtual interface */
- if (!ether_addr_equal(hdr->addr2, sta->sdata->vif.addr))
- continue;
-
+ sta = sta_info_get_by_addrs(local, hdr->addr1, hdr->addr2);
+ if (sta)
status.sta = &sta->sta;
- break;
- }
__ieee80211_tx_status(hw, &status);
rcu_read_unlock();