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 B1349C6FD18 for ; Tue, 18 Apr 2023 12:43:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231849AbjDRMnO (ORCPT ); Tue, 18 Apr 2023 08:43:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60718 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231961AbjDRMnF (ORCPT ); Tue, 18 Apr 2023 08:43:05 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E18BD167D2 for ; Tue, 18 Apr 2023 05:42:56 -0700 (PDT) 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 6F6D0629B0 for ; Tue, 18 Apr 2023 12:42:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 856A7C433D2; Tue, 18 Apr 2023 12:42:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1681821775; bh=zF0TRIS5/mPlNJ5EOn1mhFtxFdxX35Tea4Ekx3lTj1A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CZ35hHoAVzmYAHtUbevMwwV784Rb0y4MpJ7ZPxo0vyfeqXKVS4ZXmE67zxJLkJRM9 uS+iBT6SWbgsJDe/8oNDxJSBUvcgo4DQizgnt2WLYOa7GxOjPvqYAAehj2muGtcNzZ se7cYMHOGnZLhxdiDujxJFzznOTpzQhS+X1k+rnM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Cheng Xu , Leon Romanovsky , Sasha Levin Subject: [PATCH 6.1 036/134] RDMA/erdma: Defer probing if netdevice can not be found Date: Tue, 18 Apr 2023 14:21:32 +0200 Message-Id: <20230418120314.217875242@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230418120313.001025904@linuxfoundation.org> References: <20230418120313.001025904@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: Cheng Xu [ Upstream commit 6bd1bca858f1734a75572a788213d1e1143f2f0a ] ERDMA device may be probed before its associated netdevice, returning -EPROBE_DEFER allows OS try to probe erdma device later. Fixes: d55e6fb4803c ("RDMA/erdma: Add the erdma module") Signed-off-by: Cheng Xu Link: https://lore.kernel.org/r/20230320084652.16807-5-chengyou@linux.alibaba.com Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/erdma/erdma_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/erdma/erdma_main.c b/drivers/infiniband/hw/erdma/erdma_main.c index 49778bb294ae4..49d9319217414 100644 --- a/drivers/infiniband/hw/erdma/erdma_main.c +++ b/drivers/infiniband/hw/erdma/erdma_main.c @@ -56,7 +56,7 @@ static int erdma_netdev_event(struct notifier_block *nb, unsigned long event, static int erdma_enum_and_get_netdev(struct erdma_dev *dev) { struct net_device *netdev; - int ret = -ENODEV; + int ret = -EPROBE_DEFER; /* Already binded to a net_device, so we skip. */ if (dev->netdev) -- 2.39.2