From 0f2ef0b00373b0704b827f84e108982e8f673487 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Wed, 8 Feb 2012 18:43:21 +0000
Subject: [PATCH] mac80211: fix a potential rate control related crash

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30388 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 package/mac80211/patches/300-pending_work.patch | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch
index 83edd7e6b..b8cd51a09 100644
--- a/package/mac80211/patches/300-pending_work.patch
+++ b/package/mac80211/patches/300-pending_work.patch
@@ -253,3 +253,14 @@
  	WLAN_STA_CLEAR_PS_FILT,
  	WLAN_STA_MFP,
  	WLAN_STA_BLOCK_BA,
+--- a/net/mac80211/rate.h
++++ b/net/mac80211/rate.h
+@@ -37,7 +37,7 @@ static inline void rate_control_tx_statu
+ 	struct ieee80211_sta *ista = &sta->sta;
+ 	void *priv_sta = sta->rate_ctrl_priv;
+ 
+-	if (!ref)
++	if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
+ 		return;
+ 
+ 	ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
-- 
2.20.1