From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 DB63F12C526; Tue, 14 May 2024 11:18:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715685536; cv=none; b=HVauJ3oeaD5yrrQRNouX6iHZTMesVZ2EWmZJqTh6aQ344ogfbL6JePzD/pxqV3pu6b7rQEHPPCFvUMBH9XkU23kbtnF87frPgQg4DZHfBpLyob9E6UhVUJopqeEw2UeiBpK7Vl+KcVc7sIVIONKMTAu/y8do57RE9boSf5LZzm4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715685536; c=relaxed/simple; bh=XYlBntX51oiEHyZM+8NezH6Z+MPnieAVY89Siq75j28=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=I+4/pLaauR11UBt9PAwRUPJfYpGN9IBEcvbAKFW7chzHZYGP7+h9oRYfGThNLLw0z75Ke1+R+WDg9Z3CZQ9V1te8g6nvpzUBJ4+/I2/WXwJf7iwOinZTMEkH5MmUoXUe9UQnwLx2SikSIN1wB8ViSUkxiTeQZjdZuQA4ylJx7QU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=jkM2yhAE; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="jkM2yhAE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 41699C2BD10; Tue, 14 May 2024 11:18:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1715685536; bh=XYlBntX51oiEHyZM+8NezH6Z+MPnieAVY89Siq75j28=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jkM2yhAEJgbw8FHR1nZhvcAlO2Bo8Zyl7bRpdxq2ZFl1lWxCjGVpRm+iGsw4hbGjb J9oUFCFTlIWycygI1I2ASnkENSpnrgmyQe79IdvvcFPszCB/++YnLqy58auUEc4/c3 SLf+B1mgI1euRs+WjxwPzSKb0XmRrE1p7zE2251Q= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jian Shen , Jijie Shao , Simon Horman , Paolo Abeni , Sasha Levin Subject: [PATCH 6.6 205/301] net: hns3: direct return when receive a unknown mailbox message Date: Tue, 14 May 2024 12:17:56 +0200 Message-ID: <20240514101040.000027093@linuxfoundation.org> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240514101032.219857983@linuxfoundation.org> References: <20240514101032.219857983@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org 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: Jian Shen [ Upstream commit 669554c512d2107e2f21616f38e050d40655101f ] 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 Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- 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 04ff9bf121853..877feee53804f 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) && -- 2.43.0