From patchwork Wed Mar 13 07:43:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Youwan Wang X-Patchwork-Id: 780604 Received: from mail.nfschina.com (unknown [42.101.60.195]) by smtp.subspace.kernel.org (Postfix) with SMTP id F25BD1FAA for ; Wed, 13 Mar 2024 07:44:15 +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=1710315858; cv=none; b=R07kR51acNVcwNxu9sk5mvlDt7chOjdZfThxuLfWnFoTUVpdVWqk+X6siKl1DeodX+tvdKWMMTB2v4AXi9xM/pWJYmnx/qnGyxLxbeSX3xSSNaJ2XUJdMmV+3T0qGvfxnZkMf98UfHMyAkag8G/9FXKsvttVXy4ii17SW1aEyKc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710315858; c=relaxed/simple; bh=VvfoF8rJk7T+G0p7C7pe7ujeL2gGxj8Wj89lKnIjHFk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=adfyzf4RMD6UhlXegFpz2awF/ZBeUCr8EC8VP93AbXUiIwoM8R0V4c304FrX3wyuWBmSsIINl+WcsIJsHMk5CPak2O0yPZY6GWJeVnXB7l+adSJuOSSjpnXY/biM5huf9L1baVkXQBMcLcJVo0y3ojMzARvxnuX21NXUwU9Ygko= 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 A6F0A6032CDC7; Wed, 13 Mar 2024 15:44:05 +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: [v3] Bluetooth: btusb: Set error code in btusb_mtk_hci_wmt_sync() Date: Wed, 13 Mar 2024 15:43:58 +0800 Message-Id: <20240313074358.427090-1-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 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;