From: Johannes Berg <johannes.berg@xxxxxxxxx>
If a station was found, then we'll have exited
the function already, so it is not necessary to
have a variable keeping track of it.
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---
net/mac80211/rx.c | 60 ++++++++++++++++++++++++------------------------------
1 file changed, 27 insertions(+), 33 deletions(-)
--- wireless-testing.orig/net/mac80211/rx.c 2010-09-23 21:27:23.000000000 +0200
+++ wireless-testing/net/mac80211/rx.c 2010-09-23 21:27:25.000000000 +0200
@@ -2656,7 +2656,6 @@ static void __ieee80211_rx_handle_packet
struct ieee80211_rx_data rx;
struct ieee80211_sub_if_data *prev;
struct sta_info *sta, *tmp, *prev_sta;
- bool found_sta = false;
int err = 0;
fc = ((struct ieee80211_hdr *)skb->data)->frame_control;
@@ -2689,8 +2688,6 @@ static void __ieee80211_rx_handle_packet
prev_sta = NULL;
for_each_sta_info(local, hdr->addr2, sta, tmp) {
- found_sta = true;
-
if (!prev_sta) {
prev_sta = sta;
continue;
@@ -2712,43 +2709,40 @@ static void __ieee80211_rx_handle_packet
}
}
- if (!found_sta) {
- prev = NULL;
-
- list_for_each_entry_rcu(sdata, &local->interfaces, list) {
- if (!ieee80211_sdata_running(sdata))
- continue;
-
- if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||
- sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
- continue;
-
- /*
- * frame is destined for this interface, but if it's
- * not also for the previous one we handle that after
- * the loop to avoid copying the SKB once too much
- */
+ prev = NULL;
- if (!prev) {
- prev = sdata;
- continue;
- }
-
- rx.sta = sta_info_get_bss(prev, hdr->addr2);
- rx.sdata = prev;
- ieee80211_prepare_and_rx_handle(&rx, skb, false);
+ list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ if (!ieee80211_sdata_running(sdata))
+ continue;
+
+ if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||
+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ continue;
+
+ /*
+ * frame is destined for this interface, but if it's
+ * not also for the previous one we handle that after
+ * the loop to avoid copying the SKB once too much
+ */
+ if (!prev) {
prev = sdata;
+ continue;
}
- if (prev) {
- rx.sta = sta_info_get_bss(prev, hdr->addr2);
- rx.sdata = prev;
+ rx.sta = sta_info_get_bss(prev, hdr->addr2);
+ rx.sdata = prev;
+ ieee80211_prepare_and_rx_handle(&rx, skb, false);
- if (ieee80211_prepare_and_rx_handle(&rx, skb, true))
- return;
- }
+ prev = sdata;
+ }
+
+ if (prev) {
+ rx.sta = sta_info_get_bss(prev, hdr->addr2);
+ rx.sdata = prev;
+ if (ieee80211_prepare_and_rx_handle(&rx, skb, true))
+ return;
}
dev_kfree_skb(skb);
--
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