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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7C82FC433F5 for ; Fri, 1 Apr 2022 14:50:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344189AbiDAOwg (ORCPT ); Fri, 1 Apr 2022 10:52:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350080AbiDAOrI (ORCPT ); Fri, 1 Apr 2022 10:47:08 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C56862A0446; Fri, 1 Apr 2022 07:37:03 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8987760A3C; Fri, 1 Apr 2022 14:36:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BF706C340F2; Fri, 1 Apr 2022 14:36:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1648823795; bh=SE+J609oeQlZhlyDL5ijUSgT6DNgriKlJseZDVa3ubg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i99djtnhJaHSdflIz74yX1rfqJVf8DJRgK8E8KMh4rx4C3Z7rl1OjNOH6/o+dhvXx FL0szpCJ97mcDfNGn+1ojBZ7hy0iRF5LHKVp51pkcychdTwTj95/P78mAahbTIdDur pfl/k1FAOAeoQ6ftxXP6HMQqcL/QeZL5VggkZHGyEu0nUdLI6TUYkcNacspe6XTnna eLJcKmZpnrcz0RvcDAznjDRJZr525/HzID5XMkppx5Eiqnx1lIfD3tRwf1oCHaUcgE MjpjQZ/F5LFGne4G20Z6TxbrIQhYdlz0ZJhcKk68uCZ8F/YlencKkxPGsuPKr1lhst liP6BWfk9KZvA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Luiz Augusto von Dentz , Marcel Holtmann , Sasha Levin , johan.hedberg@gmail.com, luiz.dentz@gmail.com, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 5.16 081/109] Bluetooth: Fix not checking for valid hdev on bt_dev_{info,warn,err,dbg} Date: Fri, 1 Apr 2022 10:32:28 -0400 Message-Id: <20220401143256.1950537-81-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220401143256.1950537-1-sashal@kernel.org> References: <20220401143256.1950537-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Luiz Augusto von Dentz [ Upstream commit 9b392e0e0b6d026da5a62bb79a08f32e27af858e ] This fixes attemting to print hdev->name directly which causes them to print an error: kernel: read_version:367: (efault): sock 000000006a3008f2 Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Marcel Holtmann Signed-off-by: Sasha Levin --- include/net/bluetooth/bluetooth.h | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h index a1093994e5e4..720316467127 100644 --- a/include/net/bluetooth/bluetooth.h +++ b/include/net/bluetooth/bluetooth.h @@ -204,19 +204,21 @@ void bt_err_ratelimited(const char *fmt, ...); #define BT_DBG(fmt, ...) pr_debug(fmt "\n", ##__VA_ARGS__) #endif +#define bt_dev_name(hdev) ((hdev) ? (hdev)->name : "null") + #define bt_dev_info(hdev, fmt, ...) \ - BT_INFO("%s: " fmt, (hdev)->name, ##__VA_ARGS__) + BT_INFO("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) #define bt_dev_warn(hdev, fmt, ...) \ - BT_WARN("%s: " fmt, (hdev)->name, ##__VA_ARGS__) + BT_WARN("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) #define bt_dev_err(hdev, fmt, ...) \ - BT_ERR("%s: " fmt, (hdev)->name, ##__VA_ARGS__) + BT_ERR("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) #define bt_dev_dbg(hdev, fmt, ...) \ - BT_DBG("%s: " fmt, (hdev)->name, ##__VA_ARGS__) + BT_DBG("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) #define bt_dev_warn_ratelimited(hdev, fmt, ...) \ - bt_warn_ratelimited("%s: " fmt, (hdev)->name, ##__VA_ARGS__) + bt_warn_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) #define bt_dev_err_ratelimited(hdev, fmt, ...) \ - bt_err_ratelimited("%s: " fmt, (hdev)->name, ##__VA_ARGS__) + bt_err_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) /* Connection and socket states */ enum { -- 2.34.1