Since commit 8896934c1684 ("ath9k_hw: remove direct accesses to channel mode flags") changes 'ar9550_hw_get_modes_txgain_index()' so it never returns -EINVAL, and 'ar9561_hw_get_modes_txgain_index()' never returns negative value too, an extra check in 'ar9003_hw_process_ini()' may be dropped. Found by Linux Verification Center (linuxtesting.org) with SVACE. Signed-off-by: Dmitry Antipov <dmantipov@xxxxxxxxx> --- drivers/net/wireless/ath/ath9k/ar9003_phy.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c index a29c11f944a5..4731e6618209 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c @@ -925,9 +925,6 @@ static int ar9003_hw_process_ini(struct ath_hw *ah, modes_txgain_index = ar9561_hw_get_modes_txgain_index(ah, chan); - if (modes_txgain_index < 0) - return -EINVAL; - REG_WRITE_ARRAY(&ah->iniModesTxGain, modes_txgain_index, regWrites); } else { -- 2.41.0