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| author | Dmitry Antipov <dmantipov@yandex.ru> | 2023-12-17 13:29:03 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-13 12:50:14 +0200 |
| commit | 95f1acd1e998a48197d33720e33161750e459c23 (patch) | |
| tree | 8c327f55f1c8e20205a7275dc520e87e5956bdc3 | |
| parent | 5fd82952faaabaaefd7e594fce9b19d4b4e754f9 (diff) | |
| download | linux-stable-95f1acd1e998a48197d33720e33161750e459c23.tar.gz linux-stable-95f1acd1e998a48197d33720e33161750e459c23.tar.bz2 linux-stable-95f1acd1e998a48197d33720e33161750e459c23.zip | |
wifi: ath9k: fix LNA selection in ath_ant_try_scan()
[ Upstream commit d6b27eb997ef9a2aa51633b3111bc4a04748e6d3 ]
In 'ath_ant_try_scan()', (most likely) the 2nd LNA's signal
strength should be used in comparison against RSSI when
selecting first LNA as the main one. Compile tested only.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20231211172502.25202-1-dmantipov@yandex.ru
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/antenna.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/antenna.c b/drivers/net/wireless/ath/ath9k/antenna.c index a3668433dc02..deac6184dd01 100644 --- a/drivers/net/wireless/ath/ath9k/antenna.c +++ b/drivers/net/wireless/ath/ath9k/antenna.c @@ -643,7 +643,7 @@ static void ath_ant_try_scan(struct ath_ant_comb *antcomb, conf->main_lna_conf = ATH_ANT_DIV_COMB_LNA1; conf->alt_lna_conf = ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; } else if (antcomb->rssi_sub > - antcomb->rssi_lna1) { + antcomb->rssi_lna2) { /* set to A-B */ conf->main_lna_conf = ATH_ANT_DIV_COMB_LNA1; conf->alt_lna_conf = ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; |