Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[firefly-linux-kernel-4.4.55.git] / net / mac80211 / tx.c

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 5950e3abead9b49a7bfc4a8d17d77ce250d1b578..b64b42bc774be82ce40133237624a848d237289f 100644 (file)
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2230,6 +2230,9 @@ 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)