Commit 89f44d8c authored Nov 30, 2015 by Amit Khatri Committed by Johannes Berg Dec 04, 2015

mac80211_hwsim: check txrate for NULL



If the rate control algorithm messed up then the txrate pointer
here could be NULL - WARN and drop the packet from monitoring.

Signed-off-by: Amit Khatri <amit.khatri@samsung.com>
Signed-off-by: Rahul Jain <rahul.jain@samsung.com>
[rewrite commit message, add warning]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

parent 7d37fcd4

drivers/net/wireless/mac80211_hwsim.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -814,6 +814,9 @@ static void mac80211_hwsim_monitor_rx(struct ieee80211_hw *hw,
		struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_skb);
		struct ieee80211_rate *txrate = ieee80211_get_tx_rate(hw, info);

		if (WARN_ON(!txrate))
		return;

		if (!netif_running(hwsim_mon))
		return;