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 X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 989B2C433E3 for ; Sat, 25 Jul 2020 17:22:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 71656206E3 for ; Sat, 25 Jul 2020 17:22:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="SfOGhGEq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727871AbgGYRWy (ORCPT ); Sat, 25 Jul 2020 13:22:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43040 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727013AbgGYRWy (ORCPT ); Sat, 25 Jul 2020 13:22:54 -0400 Received: from mail-lj1-x243.google.com (mail-lj1-x243.google.com [IPv6:2a00:1450:4864:20::243]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02E6BC08C5C0; Sat, 25 Jul 2020 10:22:54 -0700 (PDT) Received: by mail-lj1-x243.google.com with SMTP id b25so13075019ljp.6; Sat, 25 Jul 2020 10:22:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:to:cc:date:message-id:user-agent:mime-version :content-transfer-encoding; bh=GPROL0OFn1Zoa+T/W5yPrIi0RKEcnBGefsIDz4lyL6Q=; b=SfOGhGEqbd1e6XTAE5PuBrVx2kWQ3rdM05hRG/3fifrCbwyL0f4TLmY+PuL4iUxGdD w/HF/C0JHJt1GZALzfgbUmBpYbjyvTLdQL4xyeTV1fNLYmFEe7jHGHQ/PeK4+9KO4ZTC uuFEVLiSp5hIwBooy9rXrd+p8ziwE0oXT48fN9bMbCmQ0VugRxveW3nAHQ1wXyQq5ICW QLU1+IGtzZoe4s3WTqA1G+KXaUuS+9YLKLambCHF+UGGV3cj2QKVa+hs+2LgHOJYAt/1 scS9YOzGXIBAUnhgE5TvUyGsXhvCRcgN68+iBt5fEHzmBF/A7qP/9Qes5rF4EBgFSAag jyag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:from:to:cc:date:message-id:user-agent :mime-version:content-transfer-encoding; bh=GPROL0OFn1Zoa+T/W5yPrIi0RKEcnBGefsIDz4lyL6Q=; b=DYNDnGs1zRBs69aH3oBxt4twB3ysdHaS47IENAWvzuHxFRc5SwR8+mnvEF1bI5fPF7 h20+gRDvpFpdrhJK+OJigpVLyVBmzsHVczbf5IzAJxpi5VDabgQPaN+ixi2uSD6ZOIjG cP5ZGB9kPID8rXOhpEey5Z4ize57AShAa0otKIORzrL/0YhqqZMlK24Ju2BJo/pRyy8h 6HvE/OlC2/ONgjTWvmwVxBjXGN9Y9oDNEolIbXbrHNVuumjRQsAr8h7iq+Og7M1mFK9i mxObvkXE9hqamOizzxMQFc7ej+0pj0vPmIu3mXd/+6wuN22VqcPr7+NZJuYYI3CeZuxt dQXg== X-Gm-Message-State: AOAM531lTvWAn5vfjC6thPKo3j2c4ZVy9uER/lORzr81omS8UEYVnAEt FKkgS9f+eq54l31nFwc5i7aEJHgk2dY= X-Google-Smtp-Source: ABdhPJwMI8wk4gV0+3V16pDVDPI2MF9rhmNLUQt/3HAtRaAxqUG+l8UpKfD36rluJ48TOthBxS6sBA== X-Received: by 2002:a2e:b4cd:: with SMTP id r13mr6123671ljm.249.1595697772037; Sat, 25 Jul 2020 10:22:52 -0700 (PDT) Received: from localhost ([109.252.87.77]) by smtp.gmail.com with ESMTPSA id 9sm1492255lff.82.2020.07.25.10.22.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Jul 2020 10:22:51 -0700 (PDT) Subject: [PATCH] net/ipv4: add comment about connect() to INADDR_ANY From: Konstantin Khlebnikov To: netdev@vger.kernel.org, "David S. Miller" Cc: linux-kernel@vger.kernel.org Date: Sat, 25 Jul 2020 20:22:50 +0300 Message-ID: <159569777048.30163.2041497275480123382.stgit@zurg> User-Agent: StGit/0.18 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Copy comment from net/ipv6/tcp_ipv6.c to help future readers. Signed-off-by: Konstantin Khlebnikov --- net/ipv4/route.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/ipv4/route.c b/net/ipv4/route.c index a01efa062f6b..303fe706cbd2 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2591,6 +2591,7 @@ struct rtable *ip_route_output_key_hash_rcu(struct net *net, struct flowi4 *fl4, } } + /* connect() to INADDR_ANY means loopback (BSD'ism). */ if (!fl4->daddr) { fl4->daddr = fl4->saddr; if (!fl4->daddr)