From patchwork Tue Apr 9 20:27:20 2024 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: 787667 Received: from mail-vk1-f177.google.com (mail-vk1-f177.google.com [209.85.221.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E860615820F for ; Tue, 9 Apr 2024 20:27:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.177 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712694451; cv=none; b=TyxWXDKZL1mq3u/IWJt2X/wzlJf27/WQI2K5gc7hwbAZzQ+tbVBs9Gw/e3sHAo+5pfDBpgx4yiJpYlnAD6t1oSxTeH6n/M5+rB4++EL6WvR9jZg4iG9LWwVggz56OwtNBDwRJJGA3/oPUK4s/uO92E/d1+56IcOXQzeUz7h7zfA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712694451; c=relaxed/simple; bh=bEtBSs/PzR4Jfnc4B/zXoqmXngHqsX2i2hGZo8/0Ask=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mrPPwexGtH4WC65MTKH0rCKIpEYtvzCwTWME8XxhY19Ny2n/RsOOMJXw1oL0c09M0aqL5U1OB+5DATUWs9GacToVhg1ABV0qXcJR9HGhCcZ5532eO9WXluUEdzcchvV5xZzYc5ittTD7vG+F2ZQdmCoFklDi1utrxf6/Gck+7ho= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ZKNEAeAW; arc=none smtp.client-ip=209.85.221.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZKNEAeAW" Received: by mail-vk1-f177.google.com with SMTP id 71dfb90a1353d-4dab344ace5so1115180e0c.3 for ; Tue, 09 Apr 2024 13:27:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1712694448; x=1713299248; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=oOH3ubTnedfhHdPof6cho9QbE7XQXN+fhPilDPmv3G4=; b=ZKNEAeAWt0N/WTTWuUoAGcc1YGv9hmv9qWHaLUorCUDUOd34IfLF/kRoS2RrKZhPfl uhT//CEWKmMCcnTf74lHbEGsubkrJDjy7KPVj+IqBll/xTn58SlhKV1BT+Zka/ra03vf 9BGndpggLzC6CmUhH7eg3RAAJwQy9X8Hkjgh0brWzoOmTmfxYHX8oIc0rGi8IjZ4vb+g ncwyw7KvZppuQ35zIvtB0YHvxW6ySIjxGFceDAiaKKhFZl5ez+hHQWSTiiUGcLUxFYaR V9rA+53IWCmrgaCDzZtAjxALaIdtirQs6DTjcjEz2LQim9xCoayijBsvT/cla1TUd5uj m6fQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712694448; x=1713299248; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=oOH3ubTnedfhHdPof6cho9QbE7XQXN+fhPilDPmv3G4=; b=FWkTpPByiIIbcTJZSRGDQvljxobxWiI8y4DF/pgTQBOiq2mMqertcxl2QRYCzyt84u 1Qg0IzdUlO8A7/gp2mEm6erlaqj4hgZKu+zbn4pkJwthN1rDEF/ErH952PvfncWbRpIh bwK9hw//HptVApl5DMzh+nVTFsQoPNFTLje0CY3YuwXdUhM49LFPh3bbAKGwc1nS8TC9 3KwAgX2pA7yPfXOTNG5Xvguta72P6XRQZl2wp/GaCofvu3vkRaRKGvIFAm5IRJBMXjD3 fHSe89MAvTA/sZVOItuuh1VGAS2708hUY+dSaDLBm61JbDvpvoAvFmP2tnJqnHPzvtpR F8kw== X-Gm-Message-State: AOJu0YxSq8A55JjbX/IlzzF+0uomfVlv9rn4ABF0D9sGI5knyJUzKmj5 YovRujUVf4RaiSn8BCDnlzOxK8xni3JQoNz09c5muD02wvYWF3j7Wervpa9b X-Google-Smtp-Source: AGHT+IH3qAlGZwa0wxhU6wB3vW7r1N+zD027AaQh1WceFA9u568aTKuyFSJ1PUejLuONb1IuSRqXMA== X-Received: by 2002:a05:6122:91e:b0:4da:9d3e:a7df with SMTP id j30-20020a056122091e00b004da9d3ea7dfmr1232097vka.5.1712694448108; Tue, 09 Apr 2024 13:27:28 -0700 (PDT) Received: from lvondent-mobl4.. (107-146-107-067.biz.spectrum.com. [107.146.107.67]) by smtp.gmail.com with ESMTPSA id s184-20020a1ff4c1000000b004d42135c509sm1435323vkh.5.2024.04.09.13.27.26 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Apr 2024 13:27:27 -0700 (PDT) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ v2 4/4] hog-lib: Destroy uHID device if there is traffic while disconnected Date: Tue, 9 Apr 2024 16:27:20 -0400 Message-ID: <20240409202720.3894858-4-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240409202720.3894858-1-luiz.dentz@gmail.com> References: <20240409202720.3894858-1-luiz.dentz@gmail.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Luiz Augusto von Dentz This attempts to destroy input device if there is an attempt to communicate with it while disconnected. --- profiles/input/hog-lib.c | 39 +++++++++++++++++++++------------------ 1 file changed, 21 insertions(+), 18 deletions(-) diff --git a/profiles/input/hog-lib.c b/profiles/input/hog-lib.c index 0291adb6eb23..d94a3ff102ef 100644 --- a/profiles/input/hog-lib.c +++ b/profiles/input/hog-lib.c @@ -825,6 +825,19 @@ static void set_report_cb(guint8 status, const guint8 *pdu, error("bt_uhid_set_report_reply: %s", strerror(-err)); } +static void uhid_destroy(struct bt_hog *hog) +{ + int err; + + bt_uhid_unregister_all(hog->uhid); + + err = bt_uhid_destroy(hog->uhid); + if (err < 0) { + error("bt_uhid_destroy: %s", strerror(-err)); + return; + } +} + static void set_report(struct uhid_event *ev, void *user_data) { struct bt_hog *hog = user_data; @@ -833,6 +846,14 @@ static void set_report(struct uhid_event *ev, void *user_data) int size; int err; + /* Destroy input device if there is an attempt to communicate with it + * while disconnected. + */ + if (hog->attrib == NULL) { + uhid_destroy(hog); + return; + } + /* uhid never sends reqs in parallel; if there's a req, it timed out */ if (hog->setrep_att) { g_attrib_cancel(hog->attrib, hog->setrep_att); @@ -856,11 +877,6 @@ static void set_report(struct uhid_event *ev, void *user_data) --size; } - if (hog->attrib == NULL) { - err = -ENOTCONN; - goto fail; - } - DBG("Sending report type %d ID %d to handle 0x%X", report->type, report->id, report->value_handle); @@ -1204,19 +1220,6 @@ static bool cancel_gatt_req(const void *data, const void *user_data) return g_attrib_cancel(hog->attrib, req->id); } -static void uhid_destroy(struct bt_hog *hog) -{ - int err; - - bt_uhid_unregister_all(hog->uhid); - - err = bt_uhid_destroy(hog->uhid); - if (err < 0) { - error("bt_uhid_destroy: %s", strerror(-err)); - return; - } -} - static void hog_free(void *data) { struct bt_hog *hog = data;