From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DD35D2590 for ; Sun, 22 Jan 2023 15:21:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 62770C433D2; Sun, 22 Jan 2023 15:21:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1674400893; bh=C9CRQlUgKOBXV4wn7C5g1t1x7Rz9pAyvauqhyX0fmKk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VGj5K864ocJuIzD4qWAQ3573UuP0uaFyhHxDFqhdp0RX2mJ8TOHGAvEpvg+DNxlry 6ywW5I2DlaHRMVIMUhKX+vjWQwcFPr6taT/oL8jH/xEbTWeyo0H6nLGE6sj/5Px0oO vXoTOqvP8x8R8q3MyfWKXv+j9trB1OzjEvcFvHYc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Luiz Augusto von Dentz Subject: [PATCH 6.1 030/193] Bluetooth: hci_sync: Fix use HCI_OP_LE_READ_BUFFER_SIZE_V2 Date: Sun, 22 Jan 2023 16:02:39 +0100 Message-Id: <20230122150247.777899467@linuxfoundation.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230122150246.321043584@linuxfoundation.org> References: <20230122150246.321043584@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Luiz Augusto von Dentz commit 3a4d29b6d631bb00236a98887e1039bbfc1b6ab5 upstream. Don't try to use HCI_OP_LE_READ_BUFFER_SIZE_V2 if controller don't support ISO channels, but in order to check if ISO channels are supported HCI_OP_LE_READ_LOCAL_FEATURES needs to be done earlier so the features bits can be checked on hci_le_read_buffer_size_sync. Link: https://bugzilla.kernel.org/show_bug.cgi?id=216817 Fixes: c1631dbc00c1 ("Bluetooth: hci_sync: Fix hci_read_buffer_size_sync") Cc: stable@vger.kernel.org # 6.1 Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Greg Kroah-Hartman --- net/bluetooth/hci_sync.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -3554,7 +3554,7 @@ static const struct hci_init_stage hci_i static int hci_le_read_buffer_size_sync(struct hci_dev *hdev) { /* Use Read LE Buffer Size V2 if supported */ - if (hdev->commands[41] & 0x20) + if (iso_capable(hdev) && hdev->commands[41] & 0x20) return __hci_cmd_sync_status(hdev, HCI_OP_LE_READ_BUFFER_SIZE_V2, 0, NULL, HCI_CMD_TIMEOUT); @@ -3579,10 +3579,10 @@ static int hci_le_read_supported_states_ /* LE Controller init stage 2 command sequence */ static const struct hci_init_stage le_init2[] = { - /* HCI_OP_LE_READ_BUFFER_SIZE */ - HCI_INIT(hci_le_read_buffer_size_sync), /* HCI_OP_LE_READ_LOCAL_FEATURES */ HCI_INIT(hci_le_read_local_features_sync), + /* HCI_OP_LE_READ_BUFFER_SIZE */ + HCI_INIT(hci_le_read_buffer_size_sync), /* HCI_OP_LE_READ_SUPPORTED_STATES */ HCI_INIT(hci_le_read_supported_states_sync), {}