From patchwork Mon Aug 28 20:03:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luiz Augusto von Dentz X-Patchwork-Id: 13368287 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 1DF73C83F12 for ; Mon, 28 Aug 2023 20:05:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230273AbjH1UEc (ORCPT ); Mon, 28 Aug 2023 16:04:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51986 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231909AbjH1UEL (ORCPT ); Mon, 28 Aug 2023 16:04:11 -0400 Received: from mail-pf1-x42b.google.com (mail-pf1-x42b.google.com [IPv6:2607:f8b0:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6E45CCC5 for ; Mon, 28 Aug 2023 13:03:48 -0700 (PDT) Received: by mail-pf1-x42b.google.com with SMTP id d2e1a72fcca58-68a529e1974so2508487b3a.3 for ; Mon, 28 Aug 2023 13:03:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1693253027; x=1693857827; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:from:to:cc:subject:date:message-id:reply-to; bh=fI0Dtbxx0jQ3BkIrft72Otwhh5KsGSoRfb869HY7Ji0=; b=PsnruqR4/ImTVTrjWBUsv2gHA7tlVn1wCAp3L30Pv1+57xasp1aYGh5PIcWgvrUPhv PLU0CKEUW1ZtsNOS+dDBEHqe9K0GQi2AMytKJvpEkWS63CsrBYRSp7nO8Lhks9TmTLo4 ig8cDidayfSCb0XnV4HW+zidZLZy/Eku54nSEu5GpSP9wMIFeLEiNIb0U3kgYtnuPddG riNQn0wjE9k73NLKa9PL72i81u6jWGclfwqXH2FCa4SJQWZvMz2w/fmuQ8943fp/8n8v cvgMNkOSdmLN0O41ppfvrW7tiJOMw5pvYRY36DzHkSdKmh887h98AXPcQ8w6zpIKrI9T X4ow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693253027; x=1693857827; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=fI0Dtbxx0jQ3BkIrft72Otwhh5KsGSoRfb869HY7Ji0=; b=dfdygaGmUAgV1NxjV6jGAwtV8KvhJ7JY/NmfGSoSG2iGGHBPQXdLulFMSYtPcUgadB oGnG0IH9aYe/EG0YvPCDOdyP1MHJYivU65WHrIW+lnZ0QzqgmkGTZE4aVne9HAJq2CY9 Zx75k0KvrpsdzUPcD8sWvytSRBLk3Xbe1LvEHf6D7e9Mt2D7MkwC+Qheuh3gkIX/JRzG 8M3wj+Yz1G5kLif6jZRyEYMXa3+JQsla0kz6/rTlCrBXmUTQcBMEl0ABrhoTleVWAl43 eDBBoZheEEEx7+fScIZGsexMqRn7KryniiE7uLpF52PSOk8OZPvS8fOq8GGDL8B2ReVM AEcg== X-Gm-Message-State: AOJu0YxUfDDGpUe7sIBE85eI2g/7sWkutUqToYxQ6IXbU1IFvI02Mino sqaO0Onao48HIMyyRoWoQVZFcCaBeKE= X-Google-Smtp-Source: AGHT+IF2sMvHpxcE0WGrhgaOLLOhianoR3XdTVf5MgmZDLTxUjVwdh0w+e7BbJ3/DCb3VDXde7hFiw== X-Received: by 2002:a05:6a20:a12c:b0:136:ea0e:d23 with SMTP id q44-20020a056a20a12c00b00136ea0e0d23mr24631276pzk.11.1693253027170; Mon, 28 Aug 2023 13:03:47 -0700 (PDT) Received: from lvondent-mobl4.. (c-98-232-221-87.hsd1.or.comcast.net. [98.232.221.87]) by smtp.gmail.com with ESMTPSA id v6-20020aa78506000000b0068a29521df2sm7301065pfn.177.2023.08.28.13.03.46 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Aug 2023 13:03:46 -0700 (PDT) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH] Bluetooth: ISO: Fix handling os listen for unicast Date: Mon, 28 Aug 2023 13:03:45 -0700 Message-ID: <20230828200345.579455-1-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Luiz Augusto von Dentz iso_listen_cis shall only return -EADDRINUSE if the listening socket has the destination set to BDADDR_ANY otherwise if the destination is set to a specific address it is for broadcast which shall be ignored. Signed-off-by: Luiz Augusto von Dentz --- net/bluetooth/iso.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c index 16da946f5881..71248163ce9a 100644 --- a/net/bluetooth/iso.c +++ b/net/bluetooth/iso.c @@ -502,7 +502,7 @@ static void iso_recv_frame(struct iso_conn *conn, struct sk_buff *skb) } /* -------- Socket interface ---------- */ -static struct sock *__iso_get_sock_listen_by_addr(bdaddr_t *ba) +static struct sock *__iso_get_sock_listen_by_addr(bdaddr_t *src, bdaddr_t *dst) { struct sock *sk; @@ -510,7 +510,10 @@ static struct sock *__iso_get_sock_listen_by_addr(bdaddr_t *ba) if (sk->sk_state != BT_LISTEN) continue; - if (!bacmp(&iso_pi(sk)->src, ba)) + if (bacmp(&iso_pi(sk)->dst, dst)) + continue; + + if (!bacmp(&iso_pi(sk)->src, src)) return sk; } @@ -952,7 +955,7 @@ static int iso_listen_cis(struct sock *sk) write_lock(&iso_sk_list.lock); - if (__iso_get_sock_listen_by_addr(&iso_pi(sk)->src)) + if (__iso_get_sock_listen_by_addr(&iso_pi(sk)->src, &iso_pi(sk)->dst)) err = -EADDRINUSE; write_unlock(&iso_sk_list.lock);