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[147.75.199.223]) by mx.google.com with ESMTPS id s11-20020a05622a178b00b0042f4e3891a4si4615656qtk.793.2024.03.13.00.37.02 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Mar 2024 00:37:02 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-bluetooth+bounces-2471-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223; Authentication-Results: mx.google.com; arc=pass (i=1 spf=pass spfdomain=nfschina.com); spf=pass (google.com: domain of linux-bluetooth+bounces-2471-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-bluetooth+bounces-2471-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 0AAC41C212C3 for ; Wed, 13 Mar 2024 07:37:02 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 820C8168CC; Wed, 13 Mar 2024 07:36:57 +0000 (UTC) X-Original-To: linux-bluetooth@vger.kernel.org Received: from mail.nfschina.com (unknown [42.101.60.195]) by smtp.subspace.kernel.org (Postfix) with SMTP id F0DEB10A35 for ; Wed, 13 Mar 2024 07:36:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=42.101.60.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710315417; cv=none; b=VlqOs3+8qV2gLQVAS/0nR3RflNz1A6E9NCDyhqsmBu8UTBId7IBjtyMJUM0VqO9O/zDDThFf/lIl28R3g12+VTqNgbLhU6D8rg8VL/Q4tjRUjAIL2cG/qQUeyUsTJNPQKcPvfLt4+1fDNYzaWpxeFI+DMn6MJC6cUehv5oDz02c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710315417; c=relaxed/simple; bh=VvfoF8rJk7T+G0p7C7pe7ujeL2gGxj8Wj89lKnIjHFk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=QLyVtwA75hNDeFV/onmvFYRge6nFzqVMzj6tRWRz6Y79rNfZGL3KF5LdgHpPacmJfx0PABrkkSvBjrlMIIWVPDThAqYfb7YkUE32d3yjS8bexPuQ/dXB5tt2QBR4xxzugPY0HhLO3U0q7kUHC7migdnIbiytbgHmatko4Thzk+U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=nfschina.com; spf=pass smtp.mailfrom=nfschina.com; arc=none smtp.client-ip=42.101.60.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=nfschina.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nfschina.com Received: from localhost.localdomain (unknown [103.163.180.2]) by mail.nfschina.com (Maildata Gateway V2.8.8) with ESMTPA id 690456031E61E; Wed, 13 Mar 2024 15:36:48 +0800 (CST) X-MD-Sfrom: youwan@nfschina.com X-MD-SrcIP: 103.163.180.2 From: Youwan Wang To: marcel@holtmann.org Cc: johan.hedberg@gmail.com, luiz.dentz@gmail.com, linux-bluetooth@vger.kernel.org, Youwan Wang Subject: [v2] Bluetooth: btusb: Add return ENOBUFS error code Date: Wed, 13 Mar 2024 15:36:40 +0800 Message-Id: <20240313073640.426862-1-youwan@nfschina.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Convenient to check if the function was executed successfully and know the specific error location in the code. Signed-off-by: Youwan Wang --- drivers/bluetooth/btusb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index d793dcd06687..a7244a8a5b7c 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2824,8 +2824,10 @@ static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev, goto err_free_wc; } - if (data->evt_skb == NULL) + if (data->evt_skb == NULL) { + err = -ENOBUFS; goto err_free_wc; + } /* Parse and handle the return WMT event */ wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data; -- 2.25.1