36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Mon, 22 Nov 2021 21:39:38 +0100
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Subject: [PATCH] mac80211: fix rate control for retransmitted frames
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Since retransmission clears info->control, rate control needs to be called
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again, otherwise the driver might crash due to invalid rates.
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Cc: stable@vger.kernel.org # 5.14+
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Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
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Reported-by: Robert W <rwbugreport@lost-in-the-void.net>
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Fixes: 03c3911d2d67 ("mac80211: call ieee80211_tx_h_rate_ctrl() when dequeue")
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/net/mac80211/tx.c
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+++ b/net/mac80211/tx.c
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@@ -1825,15 +1825,15 @@ static int invoke_tx_handlers_late(struc
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
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ieee80211_tx_result res = TX_CONTINUE;
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+ if (!ieee80211_hw_check(&tx->local->hw, HAS_RATE_CONTROL))
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+ CALL_TXH(ieee80211_tx_h_rate_ctrl);
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+
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if (unlikely(info->flags & IEEE80211_TX_INTFL_RETRANSMISSION)) {
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__skb_queue_tail(&tx->skbs, tx->skb);
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tx->skb = NULL;
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goto txh_done;
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}
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- if (!ieee80211_hw_check(&tx->local->hw, HAS_RATE_CONTROL))
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- CALL_TXH(ieee80211_tx_h_rate_ctrl);
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-
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CALL_TXH(ieee80211_tx_h_michael_mic_add);
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CALL_TXH(ieee80211_tx_h_sequence);
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CALL_TXH(ieee80211_tx_h_fragment);
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