12 lines
254 B
Diff
12 lines
254 B
Diff
--- a/net/mac80211/tx.c
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+++ b/net/mac80211/tx.c
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@@ -2241,6 +2241,9 @@ struct sk_buff *ieee80211_beacon_get_tim
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sdata = vif_to_sdata(vif);
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+ if (!ieee80211_sdata_running(sdata))
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+ goto out;
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+
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if (tim_offset)
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*tim_offset = 0;
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if (tim_length)
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