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-rw-r--r--net/mac80211/tx.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 7a637b80a62e..e2d33cf0c407 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2207,6 +2207,9 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
sdata = vif_to_sdata(vif);
+ if (!ieee80211_sdata_running(sdata))
+ goto out;
+
if (tim_offset)
*tim_offset = 0;
if (tim_length)