From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 AF52F4307AD; Tue, 21 Jul 2026 20:11:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784664665; cv=none; b=NE6o/80dGXBgg84662nnTzMrAwErj9jzkzHN9c40pNnajl4f/4OKzbxKeWgJqGRuEG7eV11cC7K71Q+2zqUxJqNFeC+bemgGY1fblaZZwMuvT+qoJuUqrsdfqXSqJaSrnCeFI4sAnCO5/uc1kfbXns23ypqdwR1pb9PhxNu5e/s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784664665; c=relaxed/simple; bh=2BZnzRehK8TaX1RzSWu6/lP9pAkKdP1Cchl5gK36ipc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fMhEI/ftVkHu7cNOao0ThxGNsn8m/BY71HF8tc0XT5JIMqw+vgUhiPacQ7c080cxghmVHtjMQdneleckffHhWSITx8mF/sgAPasyIgmcLgCeZSAT6eRsch0LFwN6BRaOHcaxSHAodIkFT2mKf43Gdc4XPYeszi1rOcIh/FOsZac= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=OsqoS9sz; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="OsqoS9sz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1F5E01F000E9; Tue, 21 Jul 2026 20:11:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784664664; bh=nm3ZvNfWckYZfVj8DlcFYwy/X265aMzgU7T/NZvRADI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=OsqoS9sz10hcisCI7w6gYi+rPQUt/c31GLroubE+513hEszzGj/01gShD+e/y/FmK ZMtQ1GKc9hiGaHvtIDO2MHRygGvDjR4plXUJDoiJG9nux+dkWBu9+/OEVU8793qC7o ADb2/3f9L0J4wPMkbuJJtnDe8qZL6w6gf4tuwBkc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jiande Lu , Luiz Augusto von Dentz , Sasha Levin Subject: [PATCH 6.6 0013/1266] Bluetooth: btmtk: Fix wait_on_bit_timeout interruption during shutdown Date: Tue, 21 Jul 2026 17:07:30 +0200 Message-ID: <20260721152442.088262981@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152441.786066624@linuxfoundation.org> References: <20260721152441.786066624@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jiande Lu [ Upstream commit 099799fa9b76c5c02b49e07005a85117a25b01ea ] During the shutdown process, an interrupt occurs that prematurely terminates the wait for the expected event. This change replaces TASK_INTERRUPTIBLE with TASK_UNINTERRUPTIBLE in the wait_on_bit_timeout call to ensure the shutdown process completes as intended without being interrupted by signals. Fixes: d019930b0049 ("Bluetooth: btmtk: move btusb_mtk_hci_wmt_sync to btmtk.c") Signed-off-by: Jiande Lu Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- drivers/bluetooth/btmtk.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/bluetooth/btmtk.c b/drivers/bluetooth/btmtk.c index 29d4a04ea0d46a..bd28a2d52af169 100644 --- a/drivers/bluetooth/btmtk.c +++ b/drivers/bluetooth/btmtk.c @@ -640,12 +640,7 @@ static int btmtk_usb_hci_wmt_sync(struct hci_dev *hdev, * WMT command. */ err = wait_on_bit_timeout(&data->flags, BTMTK_TX_WAIT_VND_EVT, - TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT); - if (err == -EINTR) { - bt_dev_err(hdev, "Execution of wmt command interrupted"); - clear_bit(BTMTK_TX_WAIT_VND_EVT, &data->flags); - goto err_free_wc; - } + TASK_UNINTERRUPTIBLE, HCI_INIT_TIMEOUT); if (err) { bt_dev_err(hdev, "Execution of wmt command timed out"); -- 2.53.0