From patchwork Mon Nov 9 23:13:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Dumazet X-Patchwork-Id: 1397175 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=r1xQr5Ha; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CVRdL46rdz9sRK for ; Tue, 10 Nov 2020 10:13:58 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730695AbgKIXN5 (ORCPT ); Mon, 9 Nov 2020 18:13:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60186 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729452AbgKIXN4 (ORCPT ); Mon, 9 Nov 2020 18:13:56 -0500 Received: from mail-pl1-x641.google.com (mail-pl1-x641.google.com [IPv6:2607:f8b0:4864:20::641]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C9510C0613CF for ; Mon, 9 Nov 2020 15:13:56 -0800 (PST) Received: by mail-pl1-x641.google.com with SMTP id w11so5489692pll.8 for ; Mon, 09 Nov 2020 15:13:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Oduogtnbw5/TKsSx9Xyi3jGYRSYurv0+Gmjk3ygWYFU=; b=r1xQr5Hadf5RzWS4UZmVozXBtgfRjYPEX32af6H+6W+cMbDpl6ceRegQaJg8FepAph 08fYpfOqHXrxsBkHot2fVmg+h+gRA+j3/MNH6CKaJcOaG10jXYw/QUmK9NZNvI/eAHo5 lAmkDPWPghTo02WXcXQ3P5DWn7XZ9FtEu6HCJClv3YU3Ik02Ngyd4sDy2IUXmUnu29JN CVXV4p6CHosFpPplJkU192tAlD9iJ+VNG9yk7gz8hOgXn5oEkvE7uRpxw4O8DzX58eLv RgoaCFZm5V2aelvloJjAgacV0wDGEG/NGDrpaa24e/+zA47V9ui87NaSh+ieaURHnLSm O7ww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Oduogtnbw5/TKsSx9Xyi3jGYRSYurv0+Gmjk3ygWYFU=; b=AF/dLW/uajhrnndJCJdqEZWnS74i1E62ClVck9HF3i+CLRBzv3YiZTJgTy0e90vbz2 M7voiSo99JQ2LQ+m/bYJFge9RjkyxUcS6ZalJxEhHHKjkZCEAB3VqzCRP+n3cTNGyqif L/M7g0uIL9n2s1IwuC2Vginj2rPR3wUfaGSVPs4jjWhmlqQWSpQ8U7LyApr3jGSaEA5Z deRC5Br1FD4Vzh/IazrZB+cJVfpu11uJLzSo93Y8aLcsVJT1xb6uPBOx30fmg1Tm4xHU BcvjrJJcQybzDxCdKMFbni4MRU0NA93aG3HprPRz/uAGB5kZa//DC8y/FL4lHDbgj0jl El3w== X-Gm-Message-State: AOAM531au4AWbeYhnj6OwF0wZJXHdPDkdNUnMkZOB880A2JVIqpt1jE2 4qhb+yBzlPqN46ZLKOCDqDU= X-Google-Smtp-Source: ABdhPJzzVLq8QaGAeoxW0XKn8ddUsciCYB9t0C1Gn3l0lLJeJxtFYw+OEkyVpSiwpIPniw5PjziDUA== X-Received: by 2002:a17:902:6b08:b029:d6:c471:8b5b with SMTP id o8-20020a1709026b08b02900d6c4718b5bmr14668910plk.78.1604963636348; Mon, 09 Nov 2020 15:13:56 -0800 (PST) Received: from edumazet1.svl.corp.google.com ([2620:15c:2c4:201:7220:84ff:fe09:1424]) by smtp.gmail.com with ESMTPSA id w16sm12375365pfn.45.2020.11.09.15.13.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Nov 2020 15:13:55 -0800 (PST) From: Eric Dumazet To: "David S . Miller" , Jakub Kicinski Cc: netdev , Eric Dumazet , Eric Dumazet , Alexander Lobakin Subject: [PATCH net-next 1/2] inet: constify inet_sdif() argument Date: Mon, 9 Nov 2020 15:13:48 -0800 Message-Id: <20201109231349.20946-2-eric.dumazet@gmail.com> X-Mailer: git-send-email 2.29.2.222.g5d2a92d10f8-goog In-Reply-To: <20201109231349.20946-1-eric.dumazet@gmail.com> References: <20201109231349.20946-1-eric.dumazet@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Eric Dumazet inet_sdif() does not modify the skb. This will permit propagating the const qualifier in udp{4|6}_lib_lookup_skb() functions. Signed-off-by: Eric Dumazet Cc: Alexander Lobakin --- include/net/ip.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/net/ip.h b/include/net/ip.h index 2d6b985d11ccaa75827b3a15ac3f898d7a193242..e20874059f826eb0f9e899aed556bfbc9c9d71e8 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -99,7 +99,7 @@ static inline void ipcm_init_sk(struct ipcm_cookie *ipcm, #define PKTINFO_SKB_CB(skb) ((struct in_pktinfo *)((skb)->cb)) /* return enslaved device index if relevant */ -static inline int inet_sdif(struct sk_buff *skb) +static inline int inet_sdif(const struct sk_buff *skb) { #if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV) if (skb && ipv4_l3mdev_skb(IPCB(skb)->flags))