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 X-Spam-Level: X-Spam-Status: No, score=-19.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE494C432BE for ; Mon, 26 Jul 2021 16:32:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B48C260F4F for ; Mon, 26 Jul 2021 16:32:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237820AbhGZPvr (ORCPT ); Mon, 26 Jul 2021 11:51:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:46774 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230235AbhGZPa6 (ORCPT ); Mon, 26 Jul 2021 11:30:58 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0BE6E60C41; Mon, 26 Jul 2021 16:11:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1627315886; bh=yRxTn9nhUgLEFQU4Vzo6PTxYwODGalh/FW3IwqGn+aw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mg+yvW2HGWEAg3droZWA+DGnxn+qN9DNt8e/xVxIWIMgd2CGcCmAwhhvue9+yfoYh bIws48rmy1WnDm0bMIVn592FufDywt5+W8S95rXiWF5Fivq7vJoaktotEnYIlBvs8k tKi5NqOGwEv/7BuePgkxe7YCaCvPntpgiBs49CC8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kalesh AP , Michael Chan , "David S. Miller" , Sasha Levin Subject: [PATCH 5.13 104/223] bnxt_en: dont disable an already disabled PCI device Date: Mon, 26 Jul 2021 17:38:16 +0200 Message-Id: <20210726153849.679566148@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210726153846.245305071@linuxfoundation.org> References: <20210726153846.245305071@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kalesh AP [ Upstream commit c81cfb6256d90ea5ba4a6fb280ea3b171be4e05c ] If device is already disabled in reset path and PCI io error is detected before the device could be enabled, driver could call pci_disable_device() for already disabled device. Fix this problem by calling pci_disable_device() only if the device is already enabled. Fixes: 6316ea6db93d ("bnxt_en: Enable AER support.") Signed-off-by: Kalesh AP Signed-off-by: Michael Chan Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index aef3fccc27a9..d57fb1613cfc 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -13315,7 +13315,8 @@ static pci_ers_result_t bnxt_io_error_detected(struct pci_dev *pdev, if (netif_running(netdev)) bnxt_close(netdev); - pci_disable_device(pdev); + if (pci_is_enabled(pdev)) + pci_disable_device(pdev); bnxt_free_ctx_mem(bp); kfree(bp->ctx); bp->ctx = NULL; -- 2.30.2