From patchwork Fri Apr 26 10:00:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jijie Shao X-Patchwork-Id: 13644557 X-Patchwork-Delegate: kuba@kernel.org Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) (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 3CE3614533C; Fri, 26 Apr 2024 10:15:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.187 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714126535; cv=none; b=jHl0ncW3OYfK/8K9iHUOdNpAYBCWQXFWf7PakXfu2PrDq4Sf4rOgCn1ICM7ocTfoEF1CDMAQS+NKCTpev4xIwtJlSv4h0//Iv77yQtpXAXw5zHqCxD0PpLisg3Lio4S5i9xqTXHVUD5qMD0lUwKXlE5MocPTmcDeE/PrpYtc4Gc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714126535; c=relaxed/simple; bh=2fCUerJP7jfaJaj+usa/YK7IUw4+3HWZsB+B05Psgcs=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=p8wJ3OK7Pc8NFMdChGqZEtpr2bti8tIAtZHKhfGDw9GBT994SJJd76WVeUQLfWeKXEBv2AFAxntYb2wMJYs8UwUuiIa7MAxBxICbW83MXeLuICERjFrPKhP3qGLLjjoTE/0XTe3wlcPZpcNvosRu+V7tKvdpLbMSi1198UTs3jg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.187 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.162.254]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4VQpS60rmFzvPw9; Fri, 26 Apr 2024 18:12:22 +0800 (CST) Received: from kwepemm600007.china.huawei.com (unknown [7.193.23.208]) by mail.maildlp.com (Postfix) with ESMTPS id 62C381800C4; Fri, 26 Apr 2024 18:15:26 +0800 (CST) Received: from localhost.localdomain (10.50.165.33) by kwepemm600007.china.huawei.com (7.193.23.208) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Fri, 26 Apr 2024 18:15:19 +0800 From: Jijie Shao To: , , , , , , CC: , , , , , , Subject: [PATCH V2 net 1/7] net: hns3: direct return when receive a unknown mailbox message Date: Fri, 26 Apr 2024 18:00:39 +0800 Message-ID: <20240426100045.1631295-2-shaojijie@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20240426100045.1631295-1-shaojijie@huawei.com> References: <20240426100045.1631295-1-shaojijie@huawei.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemm600007.china.huawei.com (7.193.23.208) X-Patchwork-Delegate: kuba@kernel.org From: Jian Shen Currently, the driver didn't return when receive a unknown mailbox message, and continue checking whether need to generate a response. It's unnecessary and may be incorrect. Fixes: bb5790b71bad ("net: hns3: refactor mailbox response scheme between PF and VF") Signed-off-by: Jian Shen Signed-off-by: Jijie Shao Reviewed-by: Simon Horman --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c index d4a0e0be7a72..59c863306657 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c @@ -1077,12 +1077,13 @@ static void hclge_mbx_request_handling(struct hclge_mbx_ops_param *param) hdev = param->vport->back; cmd_func = hclge_mbx_ops_list[param->req->msg.code]; - if (cmd_func) - ret = cmd_func(param); - else + if (!cmd_func) { dev_err(&hdev->pdev->dev, "un-supported mailbox message, code = %u\n", param->req->msg.code); + return; + } + ret = cmd_func(param); /* PF driver should not reply IMP */ if (hnae3_get_bit(param->req->mbx_need_resp, HCLGE_MBX_NEED_RESP_B) &&