From: Nick Desaulniers <ndesaulniers@google.com>
To: Nathan Chancellor <nathan@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Phillip Potter <phil@philpotter.co.uk>,
Larry Finger <Larry.Finger@lwfinger.net>,
linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org,
clang-built-linux@googlegroups.com
Subject: Re: [PATCH 2/4] staging: r8188eu: Remove unnecessary parentheses
Date: Wed, 4 Aug 2021 10:46:44 -0700 [thread overview]
Message-ID: <CAKwvOdmMH6V1yK42Y9xBQX2+2UoCF38q5g=6NXVtk3EWNGz2oQ@mail.gmail.com> (raw)
In-Reply-To: <20210803223609.1627280-3-nathan@kernel.org>
On Tue, Aug 3, 2021 at 3:36 PM Nathan Chancellor <nathan@kernel.org> wrote:
>
> Clang warns several times across the driver along the lines of:
>
> drivers/staging/r8188eu/core/rtw_pwrctrl.c:222:21: warning: equality
> comparison with extraneous parentheses [-Wparentheses-equality]
> if ((pwrpriv->rpwm == pslv)) {
> ~~~~~~~~~~~~~~^~~~~~~
> drivers/staging/r8188eu/core/rtw_pwrctrl.c:222:21: note: remove
> extraneous parentheses around the comparison to silence this warning
> if ((pwrpriv->rpwm == pslv)) {
> ~ ^ ~
> drivers/staging/r8188eu/core/rtw_pwrctrl.c:222:21: note: use '=' to turn
> this equality comparison into an assignment
> if ((pwrpriv->rpwm == pslv)) {
> ^~
> =
> 1 warning generated.
>
> The compilers have agreed that single parentheses are used for equality
> and double parentheses are used for assignment within control flow
> statements such as if and while so remove them in these places to fix
> the warning.
>
> Signed-off-by: Nathan Chancellor <nathan@kernel.org>
> ---
> drivers/staging/r8188eu/core/rtw_pwrctrl.c | 2 +-
> drivers/staging/r8188eu/core/rtw_security.c | 4 ++--
> drivers/staging/r8188eu/core/rtw_wlan_util.c | 2 +-
> drivers/staging/r8188eu/hal/odm.c | 2 +-
> drivers/staging/r8188eu/hal/usb_halinit.c | 2 +-
> 5 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/staging/r8188eu/core/rtw_pwrctrl.c b/drivers/staging/r8188eu/core/rtw_pwrctrl.c
> index d67eeb045002..598c32d7eaa5 100644
> --- a/drivers/staging/r8188eu/core/rtw_pwrctrl.c
> +++ b/drivers/staging/r8188eu/core/rtw_pwrctrl.c
> @@ -219,7 +219,7 @@ void rtw_set_rpwm(struct adapter *padapter, u8 pslv)
> pslv = PS_STATE_S3;
> }
>
> - if ((pwrpriv->rpwm == pslv)) {
> + if (pwrpriv->rpwm == pslv) {
> RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
> ("%s: Already set rpwm[0x%02X], new=0x%02X!\n", __func__, pwrpriv->rpwm, pslv));
> return;
> diff --git a/drivers/staging/r8188eu/core/rtw_security.c b/drivers/staging/r8188eu/core/rtw_security.c
> index 2c1b9a6dcdf2..45fd8b1aeb59 100644
> --- a/drivers/staging/r8188eu/core/rtw_security.c
> +++ b/drivers/staging/r8188eu/core/rtw_security.c
> @@ -1211,7 +1211,7 @@ u32 rtw_aes_encrypt(struct adapter *padapter, u8 *pxmitframe)
> pframe = ((struct xmit_frame *)pxmitframe)->buf_addr + hw_hdr_offset;
>
> /* 4 start to encrypt each fragment */
> - if ((pattrib->encrypt == _AES_)) {
> + if (pattrib->encrypt == _AES_) {
> if (pattrib->psta)
> stainfo = pattrib->psta;
> else
> @@ -1454,7 +1454,7 @@ u32 rtw_aes_decrypt(struct adapter *padapter, u8 *precvframe)
>
> pframe = (unsigned char *)((struct recv_frame *)precvframe)->rx_data;
> /* 4 start to encrypt each fragment */
> - if ((prxattrib->encrypt == _AES_)) {
> + if (prxattrib->encrypt == _AES_) {
> stainfo = rtw_get_stainfo(&padapter->stapriv, &prxattrib->ta[0]);
> if (stainfo != NULL) {
> RT_TRACE(_module_rtl871x_security_c_, _drv_err_, ("rtw_aes_decrypt: stainfo!= NULL!!!\n"));
> diff --git a/drivers/staging/r8188eu/core/rtw_wlan_util.c b/drivers/staging/r8188eu/core/rtw_wlan_util.c
> index 15edccef9f1d..4a8e52484cfd 100644
> --- a/drivers/staging/r8188eu/core/rtw_wlan_util.c
> +++ b/drivers/staging/r8188eu/core/rtw_wlan_util.c
> @@ -1306,7 +1306,7 @@ int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps)
> if (!(pmlmeinfo->HT_enable))
> return _FAIL;
>
> - if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK))
> + if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK)
> return _FAIL;
>
> bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5;
> diff --git a/drivers/staging/r8188eu/hal/odm.c b/drivers/staging/r8188eu/hal/odm.c
> index 0bc836311036..65a117408d50 100644
> --- a/drivers/staging/r8188eu/hal/odm.c
> +++ b/drivers/staging/r8188eu/hal/odm.c
> @@ -1631,7 +1631,7 @@ void odm_EdcaTurboCheckCE(struct odm_dm_struct *pDM_Odm)
> struct mlme_ext_priv *pmlmeext = &(Adapter->mlmeextpriv);
> struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
>
> - if ((pregpriv->wifi_spec == 1))/* (pmlmeinfo->HT_enable == 0)) */
> + if (pregpriv->wifi_spec == 1)
^ was the comment you removed important?
If not:
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
> goto dm_CheckEdcaTurbo_EXIT;
>
> if (pmlmeinfo->assoc_AP_vendor >= HT_IOT_PEER_MAX)
> diff --git a/drivers/staging/r8188eu/hal/usb_halinit.c b/drivers/staging/r8188eu/hal/usb_halinit.c
> index d985894c0f30..ec7badfd72aa 100644
> --- a/drivers/staging/r8188eu/hal/usb_halinit.c
> +++ b/drivers/staging/r8188eu/hal/usb_halinit.c
> @@ -1300,7 +1300,7 @@ static void hw_var_set_opmode(struct adapter *Adapter, u8 variable, u8 *val)
> StopTxBeacon(Adapter);
>
> rtw_write8(Adapter, REG_BCN_CTRL, 0x19);/* disable atim wnd */
> - } else if ((mode == _HW_STATE_ADHOC_)) {
> + } else if (mode == _HW_STATE_ADHOC_) {
> ResumeTxBeacon(Adapter);
> rtw_write8(Adapter, REG_BCN_CTRL, 0x1a);
> } else if (mode == _HW_STATE_AP_) {
> --
> 2.33.0.rc0
>
> --
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> To unsubscribe from this group and stop receiving emails from it, send an email to clang-built-linux+unsubscribe@googlegroups.com.
> To view this discussion on the web visit https://groups.google.com/d/msgid/clang-built-linux/20210803223609.1627280-3-nathan%40kernel.org.
--
Thanks,
~Nick Desaulniers
next prev parent reply other threads:[~2021-08-04 17:47 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-03 22:36 [PATCH 0/4] staging: r8188eu: Fix clang warnings Nathan Chancellor
2021-08-03 22:36 ` [PATCH 1/4] staging: r8188eu: Remove _rtw_spinlock_free() Nathan Chancellor
2021-08-03 22:36 ` [PATCH 2/4] staging: r8188eu: Remove unnecessary parentheses Nathan Chancellor
2021-08-04 17:46 ` Nick Desaulniers [this message]
2021-08-04 18:46 ` Nathan Chancellor
2021-08-03 22:36 ` [PATCH 3/4] staging: r8188eu: Remove self assignment in get_rx_power_val_by_reg() Nathan Chancellor
2021-08-04 18:37 ` Nick Desaulniers
2021-08-04 18:49 ` Nathan Chancellor
2021-08-03 22:36 ` [PATCH 4/4] staging: r8188eu: Remove pointless NULL check in rtw_check_join_candidate() Nathan Chancellor
2021-08-05 11:11 ` [PATCH 0/4] staging: r8188eu: Fix clang warnings Greg Kroah-Hartman
2021-08-05 18:58 ` [PATCH v2 0/3] " Nathan Chancellor
2021-08-05 18:58 ` [PATCH v2 1/3] staging: r8188eu: Remove unnecessary parentheses Nathan Chancellor
2021-08-05 18:58 ` [PATCH v2 2/3] staging: r8188eu: Remove self assignment in get_rx_power_val_by_reg() Nathan Chancellor
2021-08-05 18:58 ` [PATCH v2 3/3] staging: r8188eu: Remove pointless NULL check in rtw_check_join_candidate() Nathan Chancellor
2021-08-05 19:51 ` Nick Desaulniers
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