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 8C9642572 for ; Tue, 18 Apr 2023 12:50:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0F225C433EF; Tue, 18 Apr 2023 12:50:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1681822222; bh=aQCxiU54ViB6yPe5ndGrw1c7D57TOdde4wWqORNaCpU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0LHeIGJp+bpmmBgLkl7FuUOMqcJ5NNox/MNir0vbUQFJkZLBh5JgcZNUxy/05L+ob TvzhOnDQrk8vhbSAKp27gaVdXMGqTKVOeCVvHRDSsDDgsVymu2vmHMQQuLJyR6rzjI pk6lKT1n3Hva2I/ji1AYZZ4x6sELZlCFSJ4lvX98= 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 6.2 039/139] RDMA/erdma: Defer probing if netdevice can not be found Date: Tue, 18 Apr 2023 14:21:44 +0200 Message-Id: <20230418120315.121174560@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230418120313.725598495@linuxfoundation.org> References: <20230418120313.725598495@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 5dc31e5df5cba..4a29a53a6652e 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