From nobody Mon Apr 27 14:48:44 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 04AFEC433EF for ; Sun, 12 Jun 2022 01:05:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232808AbiFLBFn (ORCPT ); Sat, 11 Jun 2022 21:05:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47938 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232445AbiFLBFm (ORCPT ); Sat, 11 Jun 2022 21:05:42 -0400 Received: from mail-ej1-x62d.google.com (mail-ej1-x62d.google.com [IPv6:2a00:1450:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8F0C967D1C for ; Sat, 11 Jun 2022 18:05:40 -0700 (PDT) Received: by mail-ej1-x62d.google.com with SMTP id h23so4711869ejj.12 for ; Sat, 11 Jun 2022 18:05:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=YgKd7A0V6bwx+X0oq5/ADFKrLPJ/xlfHLzRCcdTRlM0=; b=PkCZVjQx7n7MTIZI5UVaxN/nttnw4Hqc48ZtjbApz81Tze+ZZVapSUFSmlyy0L0fR7 AS3Y/kmDWFMCKzmZUJM6+OHJAiJ1eJr6xpS3REZM8HKAhL1JCBQXjfp5VD6SZ/UxZA8Z B5P+ikYKYQI+7zPPlthQoKsNj6vxqagVss8BvSJPc+R4hndTjUFP203MgnnCVzFjwB0q SckTV+7I2Mppk8ywZUxzpFuawXYnwfB65a5fzeKkqPhh/5BfB5Si4B7L5R00gEHyMzW+ VthUGkVH5EOQNBNn6n8qqAlXEh/04EOLMkGhElUMQZuJzhjExfHffj0TEpk0LRK97VJ/ 9Mww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=YgKd7A0V6bwx+X0oq5/ADFKrLPJ/xlfHLzRCcdTRlM0=; b=XGVqYMEnhZbpAcsp82vRtI8btgSYjFjFvvT7PphqDMwbUMoZf8plpdvYR3tRyEuRQe VVE+4oyoAMvYw5+Q09N7jbgfuT2m8vjvpNKYG2QYe2SrtItxYHfBIaZx0qXpa3sBilCt xaDR5BrLN+ZOAwwWKJLO2H7BwttK8CGbISUgUoplkAUzCPUmPgEd0L2OHPAiA7fteL/X udWfJ824Ivp4PaBg1dPw9oSu6V2PzOgQ2n1sULiiopHJZzby1yR8qs8PWOHVmERcPSiv KKz0Ih1x2NxpGV8XNSYf8ba3T2nfwFp3PjBHkRv5Brjt+rU8oWyuADdcxXzJ6jZAjuWQ Bmrw== X-Gm-Message-State: AOAM531EEHL9XTIxMY6k04GUw+a8LFTGy42iOIROPhwHzm4pIjJFcc+H CqyCeFgHNI4WsDQVCuau83T3hSGsjxU= X-Google-Smtp-Source: ABdhPJwlALXMAgRqxnuoYVvZlL1Um5eJfIrOGuJXBs5N3q5WaSy/jjdXr5YqXFkymOckg40o9CrTIQ== X-Received: by 2002:a17:906:7486:b0:6fe:ffd9:b14f with SMTP id e6-20020a170906748600b006feffd9b14fmr16662420ejl.573.1654995939031; Sat, 11 Jun 2022 18:05:39 -0700 (PDT) Received: from nam-dell.fritz.box ([2a02:8109:afbf:ed88:b802:84b6:a3f8:7c89]) by smtp.gmail.com with ESMTPSA id u20-20020a509514000000b0042dd1d3d571sm2312297eda.26.2022.06.11.18.05.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Jun 2022 18:05:38 -0700 (PDT) From: Nam Cao To: gregkh@linuxfoundation.org Cc: phil@philpotter.co.uk, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Nam Cao Subject: [PATCH 1/2] staging: r8188eu: simplify some macros Date: Sun, 12 Jun 2022 03:05:13 +0200 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" There are some macros which are not really useful, but make the code harder to read. Replace these with clearer codes. Signed-off-by: Nam Cao --- .../r8188eu/include/Hal8188ERateAdaptive.h | 10 +++--- drivers/staging/r8188eu/include/basic_types.h | 31 ------------------- 2 files changed, 5 insertions(+), 36 deletions(-) diff --git a/drivers/staging/r8188eu/include/Hal8188ERateAdaptive.h b/drive= rs/staging/r8188eu/include/Hal8188ERateAdaptive.h index 20d73ca781e8..79e4210c6b65 100644 --- a/drivers/staging/r8188eu/include/Hal8188ERateAdaptive.h +++ b/drivers/staging/r8188eu/include/Hal8188ERateAdaptive.h @@ -26,15 +26,15 @@ #define GET_TX_REPORT_TYPE1_RERTY_0(__paddr) \ le16_get_bits(*(__le16 *)__paddr, GENMASK(15, 0)) #define GET_TX_REPORT_TYPE1_RERTY_1(__paddr) \ - LE_BITS_TO_1BYTE(__paddr + 2, 0, 8) + ((u8 *)__paddr)[2] #define GET_TX_REPORT_TYPE1_RERTY_2(__paddr) \ - LE_BITS_TO_1BYTE(__paddr + 3, 0, 8) + ((u8 *)__paddr)[3] #define GET_TX_REPORT_TYPE1_RERTY_3(__paddr) \ - LE_BITS_TO_1BYTE(__paddr + 4, 0, 8) + ((u8 *)__paddr)[4] #define GET_TX_REPORT_TYPE1_RERTY_4(__paddr) \ - LE_BITS_TO_1BYTE(__paddr + 5, 0, 8) + ((u8 *)__paddr)[5] #define GET_TX_REPORT_TYPE1_DROP_0(__paddr) \ - LE_BITS_TO_1BYTE(__paddr + 6, 0, 8) + ((u8 *)__paddr)[6] /* End rate adaptive define */ =20 int ODM_RAInfo_Init_all(struct odm_dm_struct *dm_odm); diff --git a/drivers/staging/r8188eu/include/basic_types.h b/drivers/stagin= g/r8188eu/include/basic_types.h index ffb21170e898..c4b08fb82200 100644 --- a/drivers/staging/r8188eu/include/basic_types.h +++ b/drivers/staging/r8188eu/include/basic_types.h @@ -15,37 +15,6 @@ typedef void (*proc_t)(void *); /* TODO: Macros Below are Sync from SD7-Driver. It is necessary * to check correctness */ =20 -/* - * Call endian free function when - * 1. Read/write packet content. - * 2. Before write integer to IO. - * 3. After read integer from IO. -*/ - -/* Convert little data endian to host ordering */ -#define EF1BYTE(_val) \ - ((u8)(_val)) - -/* Create a bit mask */ -#define BIT_LEN_MASK_8(__bitlen) \ - (0xFF >> (8 - (__bitlen))) - -/*Description: - * Return 4-byte value in host byte ordering from - * 4-byte pointer in little-endian system. - */ -#define LE_P1BYTE_TO_HOST_1BYTE(__pstart) \ - (EF1BYTE(*((u8 *)(__pstart)))) - -/*Description: -Translate subfield (continuous bits in little-endian) of 4-byte -value to host byte ordering.*/ -#define LE_BITS_TO_1BYTE(__pstart, __bitoffset, __bitlen) \ - ( \ - (LE_P1BYTE_TO_HOST_1BYTE(__pstart) >> (__bitoffset)) & \ - BIT_LEN_MASK_8(__bitlen) \ - ) - #define N_BYTE_ALIGMENT(__value, __aligment) ((__aligment =3D=3D 1) ? \ (__value) : (((__value + __aligment - 1) / __aligment) * __aligment)) =20 --=20 2.25.1 From nobody Mon Apr 27 14:48:44 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 564AFC43334 for ; Sun, 12 Jun 2022 01:06:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233026AbiFLBF7 (ORCPT ); Sat, 11 Jun 2022 21:05:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48322 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232445AbiFLBF5 (ORCPT ); Sat, 11 Jun 2022 21:05:57 -0400 Received: from mail-ed1-x52c.google.com (mail-ed1-x52c.google.com [IPv6:2a00:1450:4864:20::52c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 23AD267D0F for ; Sat, 11 Jun 2022 18:05:56 -0700 (PDT) Received: by mail-ed1-x52c.google.com with SMTP id h19so3222433edj.0 for ; Sat, 11 Jun 2022 18:05:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Xf3xxKruGtbmVze7fmNKHffezaj9ivzSE6bQck9KXk4=; b=KZa5hs95tk4xuPi5omzfIiCe25kl4RpicZGbYc6qWnTrVyvYT10ZCLUM0bsG+haopC an7tgatAVZajnRDbMIMjFlzfJdQmTfcQNyzdSYo6/nHtdr9CUp1xcsmax4QhgETCRVH7 gZBLovKRQyNwfHi3fHv+EOfq0U9lzqzXeHzhXARxyUxmlbac6CYmNy3Ml0LLyB6G4fG6 VThOBxwumuMw6yy5Oh9M6HJdhOHdMN3mymI7ZR4Nqt0Uy9lAWAKewg1eVbtiEcMwBMw+ sMEf9B3bM0283hemiG7BbC/l2fAAYlxdKpRuUa+XtXTPd5LOFy+1X6o82rVm+VPaJPMp btQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Xf3xxKruGtbmVze7fmNKHffezaj9ivzSE6bQck9KXk4=; b=tEfNsHViTErIItiXpAi6j3kpS22N1g1LgGplcMnSn/u2DJenBSi6aeiEj4nuuqxQ8K D+ddJ0czU66X2XUmPrQaJdMGTutdzJ/glyP2/X0RH08l5mJce7H3rym/e4KH6gG9DxRf NRTxypNnj30vDmpGo6k1E5B0+8VQLeWFt5OCwxJl8bOKFaUqmxrGWy66I6Gb37EcYZTo 2cE8ljt3gTFaAukLJPK8M+hoq5E2peYtAZYvozZxH6NrPMr9BNYH4IqtBuk6hL2Tzuah yjPXu6+v6wgJIyPA+5LpeFtfHM8woo2Z4ywA6CTR5YEaP0qij742dVN9RlSYxMC4Od/A rgUQ== X-Gm-Message-State: AOAM531gSpxrMuAlHUJLtwoqQl2wL0MGU/U381eoAHPBv/aqsgqFmyNK 9cMfTVSg81uzix3tpu0Bhyw= X-Google-Smtp-Source: ABdhPJzJPsLWLqitnqe2/zQvb5WuLYIGuxoBS48AkngjTxNh4xNJRoNLFl/lsLrn1tLzw5yfejv9pg== X-Received: by 2002:aa7:c054:0:b0:433:2d3b:10ed with SMTP id k20-20020aa7c054000000b004332d3b10edmr20914084edo.211.1654995954761; Sat, 11 Jun 2022 18:05:54 -0700 (PDT) Received: from nam-dell.fritz.box ([2a02:8109:afbf:ed88:b802:84b6:a3f8:7c89]) by smtp.gmail.com with ESMTPSA id u20-20020a509514000000b0042dd1d3d571sm2312297eda.26.2022.06.11.18.05.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Jun 2022 18:05:54 -0700 (PDT) From: Nam Cao To: gregkh@linuxfoundation.org Cc: phil@philpotter.co.uk, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Nam Cao Subject: [PATCH 2/2] staging: r8188eu: replace FIELD_OFFSET with offsetof Date: Sun, 12 Jun 2022 03:05:14 +0200 Message-Id: <9443ef83f565eafe1e4f348412772d4ab966093a.1654994517.git.namcaov@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" This driver defines FIELD_OFFSET which does the same as offsetof. Replace this macro with offsetof. Signed-off-by: Nam Cao --- drivers/staging/r8188eu/core/rtw_mlme_ext.c | 4 ++-- drivers/staging/r8188eu/include/basic_types.h | 2 -- drivers/staging/r8188eu/os_dep/ioctl_linux.c | 4 ++-- 3 files changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/= r8188eu/core/rtw_mlme_ext.c index 87bf37f33606..2be166abe99c 100644 --- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c +++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c @@ -7072,7 +7072,7 @@ u8 createbss_hdl(struct adapter *padapter, u8 *pbuf) /* clear CAM */ flush_all_cam_entry(padapter); =20 - memcpy(pnetwork, pbuf, FIELD_OFFSET(struct wlan_bssid_ex, IELength)); + memcpy(pnetwork, pbuf, offsetof(struct wlan_bssid_ex, IELength)); pnetwork->IELength =3D ((struct wlan_bssid_ex *)pbuf)->IELength; =20 if (pnetwork->IELength > MAX_IE_SZ)/* Check pbuf->IELength */ @@ -7129,7 +7129,7 @@ u8 join_cmd_hdl(struct adapter *padapter, u8 *pbuf) pmlmeinfo->candidate_tid_bitmap =3D 0; pmlmeinfo->bwmode_updated =3D false; =20 - memcpy(pnetwork, pbuf, FIELD_OFFSET(struct wlan_bssid_ex, IELength)); + memcpy(pnetwork, pbuf, offsetof(struct wlan_bssid_ex, IELength)); pnetwork->IELength =3D ((struct wlan_bssid_ex *)pbuf)->IELength; =20 if (pnetwork->IELength > MAX_IE_SZ)/* Check pbuf->IELength */ diff --git a/drivers/staging/r8188eu/include/basic_types.h b/drivers/stagin= g/r8188eu/include/basic_types.h index c4b08fb82200..0b71e2c6e41a 100644 --- a/drivers/staging/r8188eu/include/basic_types.h +++ b/drivers/staging/r8188eu/include/basic_types.h @@ -9,8 +9,6 @@ =20 typedef void (*proc_t)(void *); =20 -#define FIELD_OFFSET(s, field) ((ssize_t)&((s *)(0))->field) - /* port from fw */ /* TODO: Macros Below are Sync from SD7-Driver. It is necessary * to check correctness */ diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging= /r8188eu/os_dep/ioctl_linux.c index 1b09462ca908..2063ace8398f 100644 --- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c +++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c @@ -403,7 +403,7 @@ static int wpa_set_encryption(struct net_device *dev, s= truct ieee_param *param, =20 if (wep_key_len > 0) { wep_key_len =3D wep_key_len <=3D 5 ? 5 : 13; - wep_total_len =3D wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, Ke= yMaterial); + wep_total_len =3D wep_key_len + offsetof(struct ndis_802_11_wep, KeyMat= erial); pwep =3D kzalloc(wep_total_len, GFP_KERNEL); if (!pwep) goto exit; @@ -1593,7 +1593,7 @@ static int rtw_wx_set_enc(struct net_device *dev, if (erq->length > 0) { wep.KeyLength =3D erq->length <=3D 5 ? 5 : 13; =20 - wep.Length =3D wep.KeyLength + FIELD_OFFSET(struct ndis_802_11_wep, KeyM= aterial); + wep.Length =3D wep.KeyLength + offsetof(struct ndis_802_11_wep, KeyMater= ial); } else { wep.KeyLength =3D 0; =20 --=20 2.25.1