[PATCH] mac80211_hwsim: missing NULL check

[Rahul Jain]

From: Amit Khatri <amit.khatri@xxxxxxxxxxx>

txrate variable might be NULL and passing inside function
without NULL check.

Signed-off-by: Amit Khatri <amit.khatri@xxxxxxxxxxx>
Signed-off-by: Rahul Jain <rahul.jain@xxxxxxxxxxx>
---
 drivers/net/wireless/mac80211_hwsim.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 194264c..72e4931 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -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 (!txrate)
+		return;
+
 	if (!netif_running(hwsim_mon))
 		return;
 
-- 
1.9.1

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