ath9k: fix a beacon buffer leak on interface up/down

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19233 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/mac80211/patches/570-ath9k_bcnslot_leak.patch b/package/mac80211/patches/570-ath9k_bcnslot_leak.patch
new file mode 100644 (file)
index 0000000..bbd9489
--- /dev/null
+++ b/package/mac80211/patches/570-ath9k_bcnslot_leak.patch
@@ -0,0 +1,14 @@
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -1471,10 +1471,10 @@ static void ath9k_remove_interface(struc
+           (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT)) {
+               ath9k_ps_wakeup(sc);
+               ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
+-              ath_beacon_return(sc, avp);
+               ath9k_ps_restore(sc);
+       }
+ 
++      ath_beacon_return(sc, avp);
+       sc->sc_flags &= ~SC_OP_BEACONS;
+ 
+       for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) {