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Message-ID: <20221009104644.GA49790@nam-dell>
Date: Sun, 9 Oct 2022 12:46:44 +0200
From: Nam Cao <namcaov@...il.com>
To: Rui Li <me@...ui.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: rtl8192e: Fix braces/tabs/number/OOM warnings
On Sun, Oct 09, 2022 at 11:55:36AM +0800, Rui Li wrote:
> Fix warnings generated by checkpatch.pl: unnecessary braces after
> if, too many leading tabs, int type conversion before number,
> OOM message ourput.
>
> Signed-off-by: Rui Li <me@...ui.org>
> ---
> .../staging/rtl8192e/rtl8192e/r8192E_dev.c | 3 +-
> .../staging/rtl8192e/rtl8192e/r8192E_phy.c | 9 ++----
> drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 3 --
> drivers/staging/rtl8192e/rtl8192e/rtl_dm.c | 30 +++++++------------
> drivers/staging/rtl8192e/rtl819x_BAProc.c | 5 ++--
> drivers/staging/rtl8192e/rtl819x_HTProc.c | 1 +
> drivers/staging/rtl8192e/rtllib_rx.c | 8 ++---
> drivers/staging/rtl8192e/rtllib_softmac_wx.c | 7 ++---
> 8 files changed, 25 insertions(+), 41 deletions(-)
>
> diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
> index 18e4e5d84878..8d20b0deca37 100644
> --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
> +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
> @@ -1112,9 +1112,8 @@ void rtl92e_fill_tx_desc(struct net_device *dev, struct tx_desc *pdesc,
> if (cb_desc->bHwSec) {
> static u8 tmp;
>
> - if (!tmp) {
> + if (!tmp)
> tmp = 1;
> - }
> switch (priv->rtllib->pairwise_key_type) {
> case KEY_TYPE_WEP40:
> case KEY_TYPE_WEP104:
> diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c
> index 1b592258e640..4e3d183be0f2 100644
> --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c
> +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c
> @@ -522,9 +522,8 @@ static bool _rtl92e_bb_config_para_file(struct net_device *dev)
> rtStatus = rtl92e_check_bb_and_rf(dev,
> (enum hw90_block)eCheckItem,
> (enum rf90_radio_path)0);
> - if (!rtStatus) {
> + if (!rtStatus)
> return rtStatus;
> - }
> }
> rtl92e_set_bb_reg(dev, rFPGA0_RFMOD, bCCKEn|bOFDMEn, 0x0);
> _rtl92e_phy_config_bb(dev, BaseBand_Config_PHY_REG);
> @@ -1379,9 +1378,8 @@ static bool _rtl92e_set_rf_power_state(struct net_device *dev,
> i++;
> }
>
> - if (i >= MAX_DOZE_WAITING_TIMES_9x) {
> + if (i >= MAX_DOZE_WAITING_TIMES_9x)
> break;
> - }
> }
> rtl92e_set_rf_off(dev);
> break;
> @@ -1398,9 +1396,8 @@ static bool _rtl92e_set_rf_power_state(struct net_device *dev,
> i++;
> }
>
> - if (i >= MAX_DOZE_WAITING_TIMES_9x) {
> + if (i >= MAX_DOZE_WAITING_TIMES_9x)
> break;
> - }
> }
>
> if (pPSC->RegRfPsLevel & RT_RF_OFF_LEVL_HALT_NIC &&
> diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
> index 89bc989cffba..b2facb273474 100644
> --- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
> +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
> @@ -908,9 +908,6 @@ static void _rtl92e_init_priv_variable(struct net_device *dev)
> priv->card_type = PCI;
>
> priv->pFirmware = vzalloc(sizeof(struct rt_firmware));
> - if (!priv->pFirmware)
> - netdev_err(dev,
> - "rtl8192e: Unable to allocate space for firmware\n");
>
> skb_queue_head_init(&priv->skb_queue);
>
> diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
> index 702551056227..32494ad2298b 100644
> --- a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
> +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
> @@ -267,9 +267,8 @@ static void _rtl92e_dm_check_ac_dc_power(struct net_device *dev)
> "PATH=/usr/bin:/bin",
> NULL};
>
> - if (priv->ResetProgress == RESET_TYPE_SILENT) {
> + if (priv->ResetProgress == RESET_TYPE_SILENT)
> return;
> - }
>
> if (priv->rtllib->state != RTLLIB_LINKED)
> return;
> @@ -330,9 +329,8 @@ static void _rtl92e_dm_check_rate_adaptive(struct net_device *dev)
> bool bshort_gi_enabled = false;
> static u8 ping_rssi_state;
>
> - if (!priv->up) {
> + if (!priv->up)
> return;
> - }
>
> if (pra->rate_adaptive_disabled)
> return;
> @@ -777,9 +775,8 @@ static void _rtl92e_dm_tx_power_tracking_cb_thermal(struct net_device *dev)
> tmpRegA = rtl92e_get_bb_reg(dev, rOFDM0_XATxIQImbalance,
> bMaskDWord);
> for (i = 0; i < OFDM_Table_Length; i++) {
> - if (tmpRegA == OFDMSwingTable[i]) {
> + if (tmpRegA == OFDMSwingTable[i])
> priv->OFDM_index[0] = i;
> - }
> }
>
> TempCCk = rtl92e_get_bb_reg(dev, rCCK0_TxFilter1, bMaskByte2);
> @@ -1066,9 +1063,8 @@ void rtl92e_dm_restore_state(struct net_device *dev)
> u32 reg_ratr = priv->rate_adaptive.last_ratr;
> u32 ratr_value;
>
> - if (!priv->up) {
> + if (!priv->up)
> return;
> - }
>
> if (priv->rate_adaptive.rate_adaptive_disabled)
> return;
> @@ -1877,20 +1873,16 @@ static void _rtl92e_dm_rx_path_sel_byrssi(struct net_device *dev)
> tmp_cck_sec_pwdb = cur_cck_pwdb;
> cck_rx_ver2_sec_index = i;
> } else if (cur_cck_pwdb ==
> - tmp_cck_sec_pwdb) {
> - if (tmp_cck_sec_pwdb ==
> - tmp_cck_min_pwdb) {
> - tmp_cck_sec_pwdb =
> - cur_cck_pwdb;
> - cck_rx_ver2_sec_index =
> - i;
> - }
> + tmp_cck_sec_pwdb &&
> + tmp_cck_sec_pwdb == tmp_cck_min_pwdb) {
> + tmp_cck_sec_pwdb = cur_cck_pwdb;
> + cck_rx_ver2_sec_index = i;
This is not functionally equivalent. Are you sure the entire if else
chain still behaves correctly?
> } else if ((cur_cck_pwdb < tmp_cck_sec_pwdb) &&
> (cur_cck_pwdb > tmp_cck_min_pwdb)) {
> ;
> - } else if (cur_cck_pwdb == tmp_cck_min_pwdb) {
> - if (tmp_cck_sec_pwdb == tmp_cck_min_pwdb)
> - tmp_cck_min_pwdb = cur_cck_pwdb;
> + } else if (cur_cck_pwdb == tmp_cck_min_pwdb &&
> + tmp_cck_sec_pwdb == tmp_cck_min_pwdb) {
> + tmp_cck_min_pwdb = cur_cck_pwdb;
Same story as above.
> } else if (cur_cck_pwdb < tmp_cck_min_pwdb) {
> tmp_cck_min_pwdb = cur_cck_pwdb;
> }
> diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c b/drivers/staging/rtl8192e/rtl819x_BAProc.c
> index 19d13b3fcecf..e932ad1a9e96 100644
> --- a/drivers/staging/rtl8192e/rtl819x_BAProc.c
> +++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c
> @@ -180,11 +180,10 @@ static void rtllib_send_ADDBAReq(struct rtllib_device *ieee, u8 *dst,
>
> skb = rtllib_ADDBA(ieee, dst, pBA, 0, ACT_ADDBAREQ);
>
> - if (skb) {
> + if (skb)
> softmac_mgmt_xmit(skb, ieee);
> - } else {
> + else
> netdev_dbg(ieee->dev, "Failed to generate ADDBAReq packet.\n");
> - }
> }
>
> static void rtllib_send_ADDBARsp(struct rtllib_device *ieee, u8 *dst,
> diff --git a/drivers/staging/rtl8192e/rtl819x_HTProc.c b/drivers/staging/rtl8192e/rtl819x_HTProc.c
> index ef3dca51cf99..b763cf0ba356 100644
> --- a/drivers/staging/rtl8192e/rtl819x_HTProc.c
> +++ b/drivers/staging/rtl8192e/rtl819x_HTProc.c
> @@ -70,6 +70,7 @@ static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
> void HTUpdateDefaultSetting(struct rtllib_device *ieee)
> {
> struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
> +
> pHTInfo->bRegShortGI20MHz = 1;
> pHTInfo->bRegShortGI40MHz = 1;
>
> diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
> index 46d75e925ee9..ca7eba826ece 100644
> --- a/drivers/staging/rtl8192e/rtllib_rx.c
> +++ b/drivers/staging/rtl8192e/rtllib_rx.c
> @@ -454,14 +454,14 @@ static bool AddReorderEntry(struct rx_ts_record *pTS,
> while (pList->next != &pTS->rx_pending_pkt_list) {
> if (SN_LESS(pReorderEntry->SeqNum, ((struct rx_reorder_entry *)
> list_entry(pList->next, struct rx_reorder_entry,
> - List))->SeqNum))
> + List))->SeqNum)) {
> pList = pList->next;
> - else if (SN_EQUAL(pReorderEntry->SeqNum,
> + continue;
> + } else if (SN_EQUAL(pReorderEntry->SeqNum,
> ((struct rx_reorder_entry *)list_entry(pList->next,
> struct rx_reorder_entry, List))->SeqNum))
> return false;
> - else
> - break;
> + break;
> }
> pReorderEntry->List.next = pList->next;
> pReorderEntry->List.next->prev = &pReorderEntry->List;
> diff --git a/drivers/staging/rtl8192e/rtllib_softmac_wx.c b/drivers/staging/rtl8192e/rtllib_softmac_wx.c
> index f9589c5b62ba..4fc4fb25d8d6 100644
> --- a/drivers/staging/rtl8192e/rtllib_softmac_wx.c
> +++ b/drivers/staging/rtl8192e/rtllib_softmac_wx.c
> @@ -41,8 +41,8 @@ int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a,
>
> /* if setting by freq convert to channel */
> if (fwrq->e == 1) {
> - if ((fwrq->m >= (int)2.412e8 &&
> - fwrq->m <= (int)2.487e8)) {
> + if ((fwrq->m >= 2.412e8 &&
> + fwrq->m <= 2.487e8)) {
This turns integer conversions into floating point conversions. I don't
this floating point operations are allowed in the kernel.
> int f = fwrq->m / 100000;
> int c = 0;
>
> @@ -571,9 +571,8 @@ int rtllib_wx_set_power(struct rtllib_device *ieee,
> ieee->ps = RTLLIB_PS_DISABLED;
> goto exit;
> }
> - if (wrqu->power.flags & IW_POWER_TIMEOUT) {
> + if (wrqu->power.flags & IW_POWER_TIMEOUT)
> ieee->ps_timeout = wrqu->power.value / 1000;
> - }
>
> if (wrqu->power.flags & IW_POWER_PERIOD)
> ieee->ps_period = wrqu->power.value / 1000;
Your patch does too many things at once. Please try to break it into
smallers patches that only do one (logical) change.
Best regards,
Nam
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