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=-6.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 99F9AC2BA83 for ; Sun, 16 Feb 2020 19:40:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5488E20659 for ; Sun, 16 Feb 2020 19:40:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=crapouillou.net header.i=@crapouillou.net header.b="et0F/S1d" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726742AbgBPTkA (ORCPT ); Sun, 16 Feb 2020 14:40:00 -0500 Received: from outils.crapouillou.net ([89.234.176.41]:35320 "EHLO crapouillou.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726009AbgBPTj7 (ORCPT ); Sun, 16 Feb 2020 14:39:59 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1581881998; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:references; bh=xOd8vpBAcGa3BeTpj1bp17aeuVAAbyNS4ZEySTi8Lrw=; b=et0F/S1dj/H3xCe0U+YJsOx2C5vzFMgvGS4AAnJinGfSAsINFPGAsAwtT6bftHGvYVDGVh G3gBqX67JXg0VSN0MNm8HutitVL+/wOTE/JLfa+b4mtsC6x/w4lOdfrEVw5xd2LRv/JfsL J4EufEuPiub6Ga2l0f/PZutHY1yk6sE= From: Paul Cercueil To: "David S . Miller" Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Paul Cercueil , "H . Nikolaus Schaller" , Mathieu Malaterre Subject: [PATCH] net: ethernet: dm9000: Handle -EPROBE_DEFER in dm9000_parse_dt() Date: Sun, 16 Feb 2020 16:39:43 -0300 Message-Id: <20200216193943.81134-1-paul@crapouillou.net> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The call to of_get_mac_address() can return -EPROBE_DEFER, for instance when the MAC address is read from a NVMEM driver that did not probe yet. Cc: H. Nikolaus Schaller Cc: Mathieu Malaterre Signed-off-by: Paul Cercueil --- drivers/net/ethernet/davicom/dm9000.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c index 1ea3372775e6..e94ae9b94dbf 100644 --- a/drivers/net/ethernet/davicom/dm9000.c +++ b/drivers/net/ethernet/davicom/dm9000.c @@ -1405,6 +1405,8 @@ static struct dm9000_plat_data *dm9000_parse_dt(struct device *dev) mac_addr = of_get_mac_address(np); if (!IS_ERR(mac_addr)) ether_addr_copy(pdata->dev_addr, mac_addr); + else if (PTR_ERR(mac_addr) == -EPROBE_DEFER) + return ERR_CAST(mac_addr); return pdata; } -- 2.25.0