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[PATCH] mac80211: do not pass injected frames without a valid rate to the driver

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Fall back to rate control if the requested bitrate was not found.

Fixes: dfdfc2beb0dd ("mac80211: Parse legacy and HT rate in injected frames")
Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
---
 net/mac80211/tx.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index b294820..ea6e2d0 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1808,6 +1808,9 @@ static bool ieee80211_parse_tx_radiotap(struct ieee80211_local *local,
 			}
 		}
 
+		if (info->control.rates[0].idx < 0)
+			info->control.flags &= ~IEEE80211_TX_CTRL_RATE_INJECT;
+
 		info->control.rates[0].flags = rate_flags;
 		info->control.rates[0].count = min_t(u8, rate_retries + 1,
 						     local->hw.max_rate_tries);
-- 
2.2.2

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