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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C36CAC433EF for ; Mon, 15 Nov 2021 23:37:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AD86C61A40 for ; Mon, 15 Nov 2021 23:37:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352004AbhKOXjo (ORCPT ); Mon, 15 Nov 2021 18:39:44 -0500 Received: from mail.kernel.org ([198.145.29.99]:44602 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343688AbhKOTVg (ORCPT ); Mon, 15 Nov 2021 14:21:36 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5CAE0635D0; Mon, 15 Nov 2021 18:44:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1637001878; bh=KfIxmLNPVH+mXO1soFaWSGr0XZU+ID6ydf1Eh91xkNU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iD2/ArYN+ncPvCi19TTTuk+xo6cZ5T/JLpSqeQpT6W4ZyTCDH3wpOPvuuv1lkdq8n 7phTyUOjw0npylnregU7VELl6aLcNBz9P5n0jSnVDSCRNKtBHBASog1r/+1SspAk6T 2TsW1kR+6X/B41PEY7EsegmHv47vKB0/iKJX3aIw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Leon Romanovsky , "David S. Miller" , Sasha Levin Subject: [PATCH 5.15 356/917] qed: Dont ignore devlink allocation failures Date: Mon, 15 Nov 2021 17:57:31 +0100 Message-Id: <20211115165440.822772224@linuxfoundation.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211115165428.722074685@linuxfoundation.org> References: <20211115165428.722074685@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: Leon Romanovsky [ Upstream commit e6a54d6f221301347aaf9d83bb1f23129325c1c5 ] devlink is a software interface that doesn't depend on any hardware capabilities. The failure in SW means memory issues, wrong parameters, programmer error e.t.c. Like any other such interface in the kernel, the returned status of devlink APIs should be checked and propagated further and not ignored. Fixes: 755f982bb1ff ("qed/qede: make devlink survive recovery") Signed-off-by: Leon Romanovsky Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/qlogic/qede/qede_main.c | 12 +++++------- drivers/scsi/qedf/qedf_main.c | 2 ++ 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 9837bdb89cd40..ee4c3bd28a934 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -1176,19 +1176,17 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level, edev->devlink = qed_ops->common->devlink_register(cdev); if (IS_ERR(edev->devlink)) { DP_NOTICE(edev, "Cannot register devlink\n"); + rc = PTR_ERR(edev->devlink); edev->devlink = NULL; - /* Go on, we can live without devlink */ + goto err3; } } else { struct net_device *ndev = pci_get_drvdata(pdev); + struct qed_devlink *qdl; edev = netdev_priv(ndev); - - if (edev->devlink) { - struct qed_devlink *qdl = devlink_priv(edev->devlink); - - qdl->cdev = cdev; - } + qdl = devlink_priv(edev->devlink); + qdl->cdev = cdev; edev->cdev = cdev; memset(&edev->stats, 0, sizeof(edev->stats)); memcpy(&edev->dev_info, &dev_info, sizeof(dev_info)); diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index 42d0d941dba5c..94ee08fab46a5 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -3416,7 +3416,9 @@ retry_probe: qedf->devlink = qed_ops->common->devlink_register(qedf->cdev); if (IS_ERR(qedf->devlink)) { QEDF_ERR(&qedf->dbg_ctx, "Cannot register devlink\n"); + rc = PTR_ERR(qedf->devlink); qedf->devlink = NULL; + goto err2; } } -- 2.33.0