Commit a13ac9df authored by Helmut Schaa's avatar Helmut Schaa Committed by John W. Linville
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rt2x00: Fix SM PS check

Fix a check for dynamic SM PS mode in the STAs HT caps. Since a
value of 3 means "SM PS disabled" the previous check assumed in
that case that "dynamic SM PS" was enabled and as such prefixed
every MCS>7 frame with a unnecessary RTS/CTS exchange. Also,
the bit shift was done in the wrong direction.
Signed-off-by: default avatarHelmut Schaa <>
Signed-off-by: default avatarIvo van Doorn <>
Signed-off-by: default avatarJohn W. Linville <>
parent 96c3da7d
......@@ -60,9 +60,10 @@ void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
* when using more then one tx stream (>MCS7).
if (tx_info->control.sta && txdesc->mcs > 7 &&
(tx_info->control.sta->ht_cap.cap &
((tx_info->control.sta->ht_cap.cap &
IEEE80211_HT_CAP_SM_PS) >>
__set_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags);
} else {
txdesc->mcs = rt2x00_get_rate_mcs(hwrate->mcs);
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