From mboxrd@z Thu Jan 1 00:00:00 1970 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 55395C352A1 for ; Tue, 6 Dec 2022 17:59:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229591AbiLFR7l (ORCPT ); Tue, 6 Dec 2022 12:59:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49278 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229449AbiLFR7j (ORCPT ); Tue, 6 Dec 2022 12:59:39 -0500 Received: from mail-qt1-x82b.google.com (mail-qt1-x82b.google.com [IPv6:2607:f8b0:4864:20::82b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0B892F3AD for ; Tue, 6 Dec 2022 09:59:38 -0800 (PST) Received: by mail-qt1-x82b.google.com with SMTP id a27so14311373qtw.10 for ; Tue, 06 Dec 2022 09:59:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:subject:user-agent:references:in-reply-to:message-id :date:cc:to:from:from:to:cc:subject:date:message-id:reply-to; bh=+0PL0UHE6iTvB52HJU+m9BVRwvdHLZAeLsDMdVNPPe8=; b=GzRlDfIeb2ycnmvukFBhv+XK5NIgko10+xw+iWHW87R3/GEWKemaiK2IJJZ7UedZFe wUnTNHYtzGYHajfF0n8QHg1uESBdPUHLmfgf1ZASxP7ESNJ+K2iP+XeyPfmIO5u9WWWU LzyDzcPD8XqXJya860N8Wc2TZGfOhtxTPMC24= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=mime-version:subject:user-agent:references:in-reply-to:message-id :date:cc:to:from:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=+0PL0UHE6iTvB52HJU+m9BVRwvdHLZAeLsDMdVNPPe8=; b=AiZQqKP/XQuQ6lJkIJU3Tx23GyQvQgyXAmALowDovNUncTf32xoU7VeG3TcwaAyOlM kFeK2Oz1g4ogmD77LQHs6RVippqK1js5kCdxAs8ZnbMkESGXTqez6HWAX5eu6mAE+ag9 Kc1IIImo1ZrKpMZRchijN6nleluhLoYRVrsRRqBdTiLSj1pHb+Dd3eu/glh8QPt1CL3p 73uh1ObsBSQrqEMgMM1i4///G6mEoalU/UGQp59psYE7KSbrVzYR+QKekR5EdlvE3XFK /Scib3EHPtmsgRTIjZqqU8UbxPvHDljEohSGZOt5Nre+9w3tZOeyvTDdUt7O/sJJyaG8 ZaPA== X-Gm-Message-State: ANoB5plEmZEc+NEKseffg+pjY6bmhA2gAExgAm0WrHAuvf3yvlqcLrBx AeS5GPA6tbp2JJ5OsfQj8FrQfw== X-Google-Smtp-Source: AA0mqf7Jzo8AgHdqRGU3jT5FCVWxoy++yIUB66HHyvUo5CsSAhW7E8r7QqqMZ3BqyRAG1+1EzEWowA== X-Received: by 2002:a05:622a:a08:b0:3a5:83eb:a3ab with SMTP id bv8-20020a05622a0a0800b003a583eba3abmr79574411qtb.120.1670349577781; Tue, 06 Dec 2022 09:59:37 -0800 (PST) Received: from [192.168.178.38] (f215227.upc-f.chello.nl. [80.56.215.227]) by smtp.gmail.com with ESMTPSA id w3-20020ac87183000000b0039cd4d87aacsm11719525qto.15.2022.12.06.09.59.35 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 06 Dec 2022 09:59:36 -0800 (PST) From: Arend Van Spriel To: Bitterblue Smith , JunASAKA , CC: , , , , , , , Date: Tue, 06 Dec 2022 18:59:34 +0100 Message-ID: <184e897cf70.279b.9b12b7fc0a3841636cfb5e919b41b954@broadcom.com> In-Reply-To: <9dc328a1-1d76-6b8b-041e-d20479f4ff56@gmail.com> References: <20221129043442.14717-1-JunASAKA@zzy040330.moe> <9dc328a1-1d76-6b8b-041e-d20479f4ff56@gmail.com> User-Agent: AquaMail/1.40.1 (build: 104001224) Subject: Re: [PATCH] drivers: rewrite and remove a superfluous parameter. MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="00000000000040474705ef2c9141" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --00000000000040474705ef2c9141 Content-Type: text/plain; format=flowed; charset="us-ascii" Content-Transfer-Encoding: 8bit On November 29, 2022 3:06:37 PM Bitterblue Smith wrote: > On 29/11/2022 06:34, JunASAKA wrote: >> I noticed there is a superfluous "*hdr" parameter in rtl8xxxu module >> when I am trying to fix some bugs for the rtl8192eu wifi dongle. This >> parameter can be removed and then gained from the skb object to make the >> function more beautiful. >> >> Signed-off-by: JunASAKA >> --- >> drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 5 +++-- >> 1 file changed, 3 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c >> b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c >> index ac641a56efb0..4c3d97e8e51f 100644 >> --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c >> +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c >> @@ -4767,9 +4767,10 @@ static u32 rtl8xxxu_80211_to_rtl_queue(u32 queue) >> return rtlqueue; >> } >> >> -static u32 rtl8xxxu_queue_select(struct ieee80211_hdr *hdr, struct sk_buff >> *skb) >> +static u32 rtl8xxxu_queue_select(struct sk_buff *skb) >> { >> u32 queue; >> + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; >> >> if (ieee80211_is_mgmt(hdr->frame_control)) >> queue = TXDESC_QUEUE_MGNT; >> @@ -5118,7 +5119,7 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw, >> if (control && control->sta) >> sta = control->sta; >> >> - queue = rtl8xxxu_queue_select(hdr, skb); >> + queue = rtl8xxxu_queue_select(skb); >> >> tx_desc = skb_push(skb, tx_desc_size); > > See the recent discussion about this here: > https://lore.kernel.org/linux-wireless/acd30174-4541-7343-e49a-badd199f4151@gmail.com/ > https://lore.kernel.org/linux-wireless/2af44c28-1c12-46b9-85b9-011560bf7f7e@gmail.com/ Not sure why I looked but I did. You may want to look at rtl8xxxu_tx() which is the .tx callback that mac80211 uses and the first statement in there is also assuming skb->data points to the 802.11 header. Regards, Arend > --00000000000040474705ef2c9141 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQdwYJKoZIhvcNAQcCoIIQaDCCEGQCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3OMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE AxMKR2xvYmFsU2lnbjAeFw0yMDA5MTYwMDAwMDBaFw0yODA5MTYwMDAwMDBaMFsxCzAJBgNVBAYT AkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhHbG9iYWxTaWduIEdDQyBS MyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA vbCmXCcsbZ/a0fRIQMBxp4gJnnyeneFYpEtNydrZZ+GeKSMdHiDgXD1UnRSIudKo+moQ6YlCOu4t rVWO/EiXfYnK7zeop26ry1RpKtogB7/O115zultAz64ydQYLe+a1e/czkALg3sgTcOOcFZTXk38e aqsXsipoX1vsNurqPtnC27TWsA7pk4uKXscFjkeUE8JZu9BDKaswZygxBOPBQBwrA5+20Wxlk6k1 e6EKaaNaNZUy30q3ArEf30ZDpXyfCtiXnupjSK8WU2cK4qsEtj09JS4+mhi0CTCrCnXAzum3tgcH cHRg0prcSzzEUDQWoFxyuqwiwhHu3sPQNmFOMwIDAQABo4IB2jCCAdYwDgYDVR0PAQH/BAQDAgGG MGAGA1UdJQRZMFcGCCsGAQUFBwMCBggrBgEFBQcDBAYKKwYBBAGCNxQCAgYKKwYBBAGCNwoDBAYJ KwYBBAGCNxUGBgorBgEEAYI3CgMMBggrBgEFBQcDBwYIKwYBBQUHAxEwEgYDVR0TAQH/BAgwBgEB /wIBADAdBgNVHQ4EFgQUljPR5lgXWzR1ioFWZNW+SN6hj88wHwYDVR0jBBgwFoAUj/BLf6guRSSu TVD6Y5qL3uLdG7wwegYIKwYBBQUHAQEEbjBsMC0GCCsGAQUFBzABhiFodHRwOi8vb2NzcC5nbG9i YWxzaWduLmNvbS9yb290cjMwOwYIKwYBBQUHMAKGL2h0dHA6Ly9zZWN1cmUuZ2xvYmFsc2lnbi5j b20vY2FjZXJ0L3Jvb3QtcjMuY3J0MDYGA1UdHwQvMC0wK6ApoCeGJWh0dHA6Ly9jcmwuZ2xvYmFs c2lnbi5jb20vcm9vdC1yMy5jcmwwWgYDVR0gBFMwUTALBgkrBgEEAaAyASgwQgYKKwYBBAGgMgEo CjA0MDIGCCsGAQUFBwIBFiZodHRwczovL3d3dy5nbG9iYWxzaWduLmNvbS9yZXBvc2l0b3J5LzAN BgkqhkiG9w0BAQsFAAOCAQEAdAXk/XCnDeAOd9nNEUvWPxblOQ/5o/q6OIeTYvoEvUUi2qHUOtbf jBGdTptFsXXe4RgjVF9b6DuizgYfy+cILmvi5hfk3Iq8MAZsgtW+A/otQsJvK2wRatLE61RbzkX8 9/OXEZ1zT7t/q2RiJqzpvV8NChxIj+P7WTtepPm9AIj0Keue+gS2qvzAZAY34ZZeRHgA7g5O4TPJ /oTd+4rgiU++wLDlcZYd/slFkaT3xg4qWDepEMjT4T1qFOQIL+ijUArYS4owpPg9NISTKa1qqKWJ jFoyms0d0GwOniIIbBvhI2MJ7BSY9MYtWVT5jJO3tsVHwj4cp92CSFuGwunFMzCCA18wggJHoAMC AQICCwQAAAAAASFYUwiiMA0GCSqGSIb3DQEBCwUAMEwxIDAeBgNVBAsTF0dsb2JhbFNpZ24gUm9v dCBDQSAtIFIzMRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpHbG9iYWxTaWduMB4XDTA5 MDMxODEwMDAwMFoXDTI5MDMxODEwMDAwMFowTDEgMB4GA1UECxMXR2xvYmFsU2lnbiBSb290IENB IC0gUjMxEzARBgNVBAoTCkdsb2JhbFNpZ24xEzARBgNVBAMTCkdsb2JhbFNpZ24wggEiMA0GCSqG SIb3DQEBAQUAA4IBDwAwggEKAoIBAQDMJXaQeQZ4Ihb1wIO2hMoonv0FdhHFrYhy/EYCQ8eyip0E XyTLLkvhYIJG4VKrDIFHcGzdZNHr9SyjD4I9DCuul9e2FIYQebs7E4B3jAjhSdJqYi8fXvqWaN+J J5U4nwbXPsnLJlkNc96wyOkmDoMVxu9bi9IEYMpJpij2aTv2y8gokeWdimFXN6x0FNx04Druci8u nPvQu7/1PQDhBjPogiuuU6Y6FnOM3UEOIDrAtKeh6bJPkC4yYOlXy7kEkmho5TgmYHWyn3f/kRTv riBJ/K1AFUjRAjFhGV64l++td7dkmnq/X8ET75ti+w1s4FRpFqkD2m7pg5NxdsZphYIXAgMBAAGj QjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBSP8Et/qC5FJK5N UPpjmove4t0bvDANBgkqhkiG9w0BAQsFAAOCAQEAS0DbwFCq/sgM7/eWVEVJu5YACUGssxOGhigH M8pr5nS5ugAtrqQK0/Xx8Q+Kv3NnSoPHRHt44K9ubG8DKY4zOUXDjuS5V2yq/BKW7FPGLeQkbLmU Y/vcU2hnVj6DuM81IcPJaP7O2sJTqsyQiunwXUaMld16WCgaLx3ezQA3QY/tRG3XUyiXfvNnBB4V 14qWtNPeTCekTBtzc3b0F5nCH3oO4y0IrQocLP88q1UOD5F+NuvDV0m+4S4tfGCLw0FREyOdzvcy a5QBqJnnLDMfOjsl0oZAzjsshnjJYS8Uuu7bVW/fhO4FCU29KNhyztNiUGUe65KXgzHZs7XKR1g/ XzCCBVYwggQ+oAMCAQICDE79bW6SMzVJMuOi1zANBgkqhkiG9w0BAQsFADBbMQswCQYDVQQGEwJC RTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTExMC8GA1UEAxMoR2xvYmFsU2lnbiBHQ0MgUjMg UGVyc29uYWxTaWduIDIgQ0EgMjAyMDAeFw0yMjA5MTAxMTQzMjNaFw0yNTA5MTAxMTQzMjNaMIGV MQswCQYDVQQGEwJJTjESMBAGA1UECBMJS2FybmF0YWthMRIwEAYDVQQHEwlCYW5nYWxvcmUxFjAU BgNVBAoTDUJyb2FkY29tIEluYy4xGTAXBgNVBAMTEEFyZW5kIFZhbiBTcHJpZWwxKzApBgkqhkiG 9w0BCQEWHGFyZW5kLnZhbnNwcmllbEBicm9hZGNvbS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IB DwAwggEKAoIBAQDxOB8Yu89pZLsG9Ic8ZY3uGibuv+NRsij+E70OMJQIwugrByyNq5xgH0BI22vJ LT7VKCB6YJC88ewEFfYi3EKW/sn6RL16ImUM40beDmQ12WBquJRoxVNyoByNalmTOBNYR95ZQZJw 1nrzaoJtK0XIsv0dNCUcLlAc+jHkngD+I0ptVuWoMO1BcJexqJf5iX2M1CdC8PXTh9g4FIQnG2mc 2Gzj3QNJRLsZu1TLyOyBBIr/BE7UiY3RabgRzknBGAPmzhS+fmyM8OtM5BYBsFBrSUFtZZO2p/tf Nbc24J2zf2peoZ8MK+7WQqummYlOnz+FyDkA9EybeNMcS5C+xi/PAgMBAAGjggHdMIIB2TAOBgNV HQ8BAf8EBAMCBaAwgaMGCCsGAQUFBwEBBIGWMIGTME4GCCsGAQUFBzAChkJodHRwOi8vc2VjdXJl Lmdsb2JhbHNpZ24uY29tL2NhY2VydC9nc2djY3IzcGVyc29uYWxzaWduMmNhMjAyMC5jcnQwQQYI KwYBBQUHMAGGNWh0dHA6Ly9vY3NwLmdsb2JhbHNpZ24uY29tL2dzZ2NjcjNwZXJzb25hbHNpZ24y Y2EyMDIwME0GA1UdIARGMEQwQgYKKwYBBAGgMgEoCjA0MDIGCCsGAQUFBwIBFiZodHRwczovL3d3 dy5nbG9iYWxzaWduLmNvbS9yZXBvc2l0b3J5LzAJBgNVHRMEAjAAMEkGA1UdHwRCMEAwPqA8oDqG OGh0dHA6Ly9jcmwuZ2xvYmFsc2lnbi5jb20vZ3NnY2NyM3BlcnNvbmFsc2lnbjJjYTIwMjAuY3Js MCcGA1UdEQQgMB6BHGFyZW5kLnZhbnNwcmllbEBicm9hZGNvbS5jb20wEwYDVR0lBAwwCgYIKwYB BQUHAwQwHwYDVR0jBBgwFoAUljPR5lgXWzR1ioFWZNW+SN6hj88wHQYDVR0OBBYEFIikAXd8CEtv ZbDflDRnf3tuStPuMA0GCSqGSIb3DQEBCwUAA4IBAQCdS5XCYx6k2GGZui9DlFsFm75khkqAU7rT zBX04sJU1+B1wtgmWTVIzW7ugdtDZ4gzaV0S9xRhpDErjJaltxPbCylb1DEsLj+AIvBR34caW6ZG sQk444t0HPb29HnWYj+OllIGMbdJWr0/P95ZrKk2bP24ub3ZP/8SyzrohfIba9WZKMq6g2nTLZE3 BtkeSGJx/8dy0h8YmRn+adOrxKXHxhSL8BNn8wsmIZyYWe6fRcBtO3Ks2DOLyHCdkoFlN8x9VUQF N2ulEgqCbRKkx+qNirW86eF138lr1gRxzclu/38ko//MmkAYR/+hP3WnBll7zbpIt0jc9wyFkSqH p8a1MYICbTCCAmkCAQEwazBbMQswCQYDVQQGEwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1z YTExMC8GA1UEAxMoR2xvYmFsU2lnbiBHQ0MgUjMgUGVyc29uYWxTaWduIDIgQ0EgMjAyMAIMTv1t bpIzNUky46LXMA0GCWCGSAFlAwQCAQUAoIHUMC8GCSqGSIb3DQEJBDEiBCC4DyGuC8bjL+upTAjy Tbl66dY9eL+hVzBq0fQ5N51GUzAYBgkqhkiG9w0BCQMxCwYJKoZIhvcNAQcBMBwGCSqGSIb3DQEJ BTEPFw0yMjEyMDYxNzU5MzhaMGkGCSqGSIb3DQEJDzFcMFowCwYJYIZIAWUDBAEqMAsGCWCGSAFl AwQBFjALBglghkgBZQMEAQIwCgYIKoZIhvcNAwcwCwYJKoZIhvcNAQEKMAsGCSqGSIb3DQEBBzAL BglghkgBZQMEAgEwDQYJKoZIhvcNAQEBBQAEggEAOvxdA4tqws7e5LssruOs2Cz7T1Gavg0tYMrT g016uUtKpSExwB4rbQok2hmbupra1hidDnLaC5/xF8XTkWD1myMGvEePMcMYEsOWIUktv4Y6vRh3 TQmJ3fDG68vG/2xn0w+QqLHXgUVDCDurO+VUaIuyph8fKMmcVFw5RCfDTxLxH/K/ZxM4inZOK132 YVAapBNJaV7OFhfjpAtt1iPWtpQ7m0VgzuxBm08frRE+MU8BnO+pDn3REpWk6uoUdlmPM4t647Nn jzphUKf6G4dATNrUivhM4FxbkRRi11tnkPIKu9sYgDP8IOvNHh7qHVcmFtuAH4oZY9zFMPE+OZkK dQ== --00000000000040474705ef2c9141--