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 786D5C43217 for ; Wed, 23 Nov 2022 09:05:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237023AbiKWJFd (ORCPT ); Wed, 23 Nov 2022 04:05:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237029AbiKWJF3 (ORCPT ); Wed, 23 Nov 2022 04:05:29 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B46F01001E8 for ; Wed, 23 Nov 2022 01:05:25 -0800 (PST) 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 51A9C61B49 for ; Wed, 23 Nov 2022 09:05:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5A4BDC433C1; Wed, 23 Nov 2022 09:05:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1669194324; bh=tykjTPK16xxFVpodumZ6Qwe8q7E9DfTLr7sh3xwQ8iM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jSey3lI4BJy1wpW91GPacGaLespR6Tp18K40asMESj4Po8cVKOQJ+7veHiG9/e1k9 zSzNCak7CV1KmfNOr7M0qt9A347xveoftSBrWIxJmwmYL/EzX6ZibhuldcrPFdN96V 3qjFW/v8IQiIcCVMRwwyfvyqTW/W6adciJf+G3ac= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhengchao Shao , Paolo Abeni , Sasha Levin Subject: [PATCH 4.19 015/114] drivers: net: xgene: disable napi when register irq failed in xgene_enet_open() Date: Wed, 23 Nov 2022 09:50:02 +0100 Message-Id: <20221123084552.465734257@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221123084551.864610302@linuxfoundation.org> References: <20221123084551.864610302@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Zhengchao Shao [ Upstream commit ce9e57feeed81d17d5e80ed86f516ff0d39c3867 ] When failed to register irq in xgene_enet_open() for opening device, napi isn't disabled. When open xgene device next time, it will reports a invalid opcode issue. Fix it. Only be compiled, not be tested. Fixes: aeb20b6b3f4e ("drivers: net: xgene: fix: ifconfig up/down crash") Signed-off-by: Zhengchao Shao Link: https://lore.kernel.org/r/20221107043032.357673-1-shaozhengchao@huawei.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c index 86811de191ed..f27391abd7da 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -1015,8 +1015,10 @@ static int xgene_enet_open(struct net_device *ndev) xgene_enet_napi_enable(pdata); ret = xgene_enet_register_irq(ndev); - if (ret) + if (ret) { + xgene_enet_napi_disable(pdata); return ret; + } if (ndev->phydev) { phy_start(ndev->phydev); -- 2.35.1