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-rw-r--r--net/mac80211/tx.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 1564a30..36e8e2d 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -558,6 +558,10 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
if (unlikely(!info->control.rates[0].count))
info->control.rates[0].count = 1;
+ if (WARN_ON_ONCE((info->control.rates[0].count > 1) &&
+ (info->flags & IEEE80211_TX_CTL_NO_ACK)))
+ info->control.rates[0].count = 1;
+
if (is_multicast_ether_addr(hdr->addr1)) {
/*
* XXX: verify the rate is in the basic rateset
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