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[24.205.208.113]) by smtp.gmail.com with ESMTPSA id x20-20020ac85f14000000b002e1ee1c56c3sm8541952qta.76.2022.03.20.08.20.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Mar 2022 08:20:38 -0700 (PDT) From: trix@redhat.com To: toke@toke.dk, kvalo@kernel.org, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Tom Rix Subject: [PATCH] ath9k: initialize arrays at compile time Date: Sun, 20 Mar 2022 08:20:28 -0700 Message-Id: <20220320152028.2263518-1-trix@redhat.com> X-Mailer: git-send-email 2.26.3 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Tom Rix Early clearing of arrays with memset(array, 0, size); is equivilent to initializing the array in its decl with array[size] = { 0 }; Since compile time is preferred over runtime, convert the memsets to initializations. Signed-off-by: Tom Rix --- drivers/net/wireless/ath/ath9k/ar9003_calib.c | 6 ++---- drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 4 +--- drivers/net/wireless/ath/ath9k/ar9003_paprd.c | 14 ++++++-------- drivers/net/wireless/ath/ath9k/eeprom.c | 3 +-- drivers/net/wireless/ath/ath9k/eeprom_4k.c | 4 +--- drivers/net/wireless/ath/ath9k/eeprom_9287.c | 4 +--- drivers/net/wireless/ath/ath9k/eeprom_def.c | 4 +--- drivers/net/wireless/ath/ath9k/wow.c | 7 ++----- 8 files changed, 15 insertions(+), 31 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index dc24da1ff00b1..39fcc158cb159 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -891,10 +891,9 @@ static void ar9003_hw_tx_iq_cal_outlier_detection(struct ath_hw *ah, { int i, im, nmeasurement; int magnitude, phase; - u32 tx_corr_coeff[MAX_MEASUREMENT][AR9300_MAX_CHAINS]; + u32 tx_corr_coeff[MAX_MEASUREMENT][AR9300_MAX_CHAINS] = { 0 }; struct ath9k_hw_cal_data *caldata = ah->caldata; - memset(tx_corr_coeff, 0, sizeof(tx_corr_coeff)); for (i = 0; i < MAX_MEASUREMENT / 2; i++) { tx_corr_coeff[i * 2][0] = tx_corr_coeff[(i * 2) + 1][0] = AR_PHY_TX_IQCAL_CORR_COEFF_B0(i); @@ -1155,10 +1154,9 @@ static void ar9003_hw_tx_iq_cal_post_proc(struct ath_hw *ah, static void ar9003_hw_tx_iq_cal_reload(struct ath_hw *ah) { struct ath9k_hw_cal_data *caldata = ah->caldata; - u32 tx_corr_coeff[MAX_MEASUREMENT][AR9300_MAX_CHAINS]; + u32 tx_corr_coeff[MAX_MEASUREMENT][AR9300_MAX_CHAINS] = { 0 }; int i, im; - memset(tx_corr_coeff, 0, sizeof(tx_corr_coeff)); for (i = 0; i < MAX_MEASUREMENT / 2; i++) { tx_corr_coeff[i * 2][0] = tx_corr_coeff[(i * 2) + 1][0] = AR_PHY_TX_IQCAL_CORR_COEFF_B0(i); diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index b0a4ca3559fd8..55fdee5ec93be 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -5451,14 +5451,12 @@ static void ath9k_hw_ar9300_set_txpower(struct ath_hw *ah, struct ath_common *common = ath9k_hw_common(ah); struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep; struct ar9300_modal_eep_header *modal_hdr; - u8 targetPowerValT2[ar9300RateSize]; + u8 targetPowerValT2[ar9300RateSize] = { 0 }; u8 target_power_val_t2_eep[ar9300RateSize]; u8 targetPowerValT2_tpc[ar9300RateSize]; unsigned int i = 0, paprd_scale_factor = 0; u8 pwr_idx, min_pwridx = 0; - memset(targetPowerValT2, 0 , sizeof(targetPowerValT2)); - /* * Get target powers from EEPROM - our baseline for TX Power */ diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c index 34e1009402846..d9c5b6bb5db07 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c @@ -419,13 +419,16 @@ static inline int find_proper_scale(int expn, int N) static bool create_pa_curve(u32 *data_L, u32 *data_U, u32 *pa_table, u16 *gain) { unsigned int thresh_accum_cnt; - int x_est[NUM_BIN + 1], Y[NUM_BIN + 1], theta[NUM_BIN + 1]; + int x_est[NUM_BIN + 1] = { 0 }; + int Y[NUM_BIN + 1] = { 0 }; + int theta[NUM_BIN + 1] = { 0 }; int PA_in[NUM_BIN + 1]; int B1_tmp[NUM_BIN + 1], B2_tmp[NUM_BIN + 1]; unsigned int B1_abs_max, B2_abs_max; int max_index, scale_factor; - int y_est[NUM_BIN + 1]; - int x_est_fxp1_nonlin, x_tilde[NUM_BIN + 1]; + int y_est[NUM_BIN + 1] = { 0 }; + int x_est_fxp1_nonlin; + int x_tilde[NUM_BIN + 1] = { 0 }; unsigned int x_tilde_abs; int G_fxp, Y_intercept, order_x_by_y, M, I, L, sum_y_sqr, sum_y_quad; int Q_x, Q_B1, Q_B2, beta_raw, alpha_raw, scale_B; @@ -439,11 +442,6 @@ static bool create_pa_curve(u32 *data_L, u32 *data_U, u32 *pa_table, u16 *gain) thresh_accum_cnt = 16; scale_factor = 5; max_index = 0; - memset(theta, 0, sizeof(theta)); - memset(x_est, 0, sizeof(x_est)); - memset(Y, 0, sizeof(Y)); - memset(y_est, 0, sizeof(y_est)); - memset(x_tilde, 0, sizeof(x_tilde)); for (i = 0; i < NUM_BIN; i++) { s32 accum_cnt, accum_tx, accum_rx, accum_ang; diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c index efb7889142d47..061d33921495c 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom.c +++ b/drivers/net/wireless/ath/ath9k/eeprom.c @@ -480,7 +480,7 @@ void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hw *ah, [AR5416_MAX_PWR_RANGE_IN_HALF_DB]; u8 *pVpdL, *pVpdR, *pPwrL, *pPwrR; - u8 minPwrT4[AR5416_NUM_PD_GAINS]; + u8 minPwrT4[AR5416_NUM_PD_GAINS] = { 0 }; u8 maxPwrT4[AR5416_NUM_PD_GAINS]; int16_t vpdStep; int16_t tmpVal; @@ -500,7 +500,6 @@ void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hw *ah, else intercepts = AR5416_PD_GAIN_ICEPTS; - memset(&minPwrT4, 0, AR5416_NUM_PD_GAINS); ath9k_hw_get_channel_centers(ah, chan, ¢ers); for (numPiers = 0; numPiers < availPiers; numPiers++) { diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c index e8c2cc03be0cb..1d295d7fa0848 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c +++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c @@ -583,12 +583,10 @@ static void ath9k_hw_4k_set_txpower(struct ath_hw *ah, struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah); struct ar5416_eeprom_4k *pEepData = &ah->eeprom.map4k; struct modal_eep_4k_header *pModal = &pEepData->modalHeader; - int16_t ratesArray[Ar5416RateSize]; + int16_t ratesArray[Ar5416RateSize] = { 0 }; u8 ht40PowerIncForPdadc = 2; int i; - memset(ratesArray, 0, sizeof(ratesArray)); - if (ath9k_hw_4k_get_eeprom_rev(ah) >= AR5416_EEP_MINOR_VER_2) ht40PowerIncForPdadc = pModal->ht40PowerIncForPdadc; diff --git a/drivers/net/wireless/ath/ath9k/eeprom_9287.c b/drivers/net/wireless/ath/ath9k/eeprom_9287.c index 3caa149b10131..b068e15226022 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c +++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c @@ -711,12 +711,10 @@ static void ath9k_hw_ar9287_set_txpower(struct ath_hw *ah, struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah); struct ar9287_eeprom *pEepData = &ah->eeprom.map9287; struct modal_eep_ar9287_header *pModal = &pEepData->modalHeader; - int16_t ratesArray[Ar5416RateSize]; + int16_t ratesArray[Ar5416RateSize] = { 0 }; u8 ht40PowerIncForPdadc = 2; int i; - memset(ratesArray, 0, sizeof(ratesArray)); - if (ath9k_hw_ar9287_get_eeprom_rev(ah) >= AR9287_EEP_MINOR_VER_2) ht40PowerIncForPdadc = pModal->ht40PowerIncForPdadc; diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c index 9729a69d3e2e3..b5ee261c86382 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom_def.c +++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c @@ -1150,12 +1150,10 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah, struct ar5416_eeprom_def *pEepData = &ah->eeprom.def; struct modal_eep_header *pModal = &(pEepData->modalHeader[IS_CHAN_2GHZ(chan)]); - int16_t ratesArray[Ar5416RateSize]; + int16_t ratesArray[Ar5416RateSize] = { 0 }; u8 ht40PowerIncForPdadc = 2; int i, cck_ofdm_delta = 0; - memset(ratesArray, 0, sizeof(ratesArray)); - if (ath9k_hw_def_get_eeprom_rev(ah) >= AR5416_EEP_MINOR_VER_2) ht40PowerIncForPdadc = pModal->ht40PowerIncForPdadc; diff --git a/drivers/net/wireless/ath/ath9k/wow.c b/drivers/net/wireless/ath/ath9k/wow.c index 8d0b1730a9d5b..3d39c7ec1da30 100644 --- a/drivers/net/wireless/ath/ath9k/wow.c +++ b/drivers/net/wireless/ath/ath9k/wow.c @@ -53,11 +53,8 @@ static int ath9k_wow_add_disassoc_deauth_pattern(struct ath_softc *sc) struct ath_common *common = ath9k_hw_common(ah); int pattern_count = 0; int ret, i, byte_cnt = 0; - u8 dis_deauth_pattern[MAX_PATTERN_SIZE]; - u8 dis_deauth_mask[MAX_PATTERN_SIZE]; - - memset(dis_deauth_pattern, 0, MAX_PATTERN_SIZE); - memset(dis_deauth_mask, 0, MAX_PATTERN_SIZE); + u8 dis_deauth_pattern[MAX_PATTERN_SIZE] = { 0 }; + u8 dis_deauth_mask[MAX_PATTERN_SIZE] = { 0 }; /* * Create Dissassociate / Deauthenticate packet filter