From patchwork Tue Aug 10 08:58:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wong Vee Khee X-Patchwork-Id: 12428403 X-Patchwork-Delegate: kuba@kernel.org 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 A2469C04FE3 for ; Tue, 10 Aug 2021 08:52:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 78DFD60ED8 for ; Tue, 10 Aug 2021 08:52:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238426AbhHJIxP (ORCPT ); Tue, 10 Aug 2021 04:53:15 -0400 Received: from mga09.intel.com ([134.134.136.24]:50893 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238379AbhHJIxJ (ORCPT ); Tue, 10 Aug 2021 04:53:09 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10070"; a="214848951" X-IronPort-AV: E=Sophos;i="5.84,310,1620716400"; d="scan'208";a="214848951" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Aug 2021 01:52:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,310,1620716400"; d="scan'208";a="674839874" Received: from linux.intel.com ([10.54.29.200]) by fmsmga005.fm.intel.com with ESMTP; 10 Aug 2021 01:52:45 -0700 Received: from glass.png.intel.com (glass.png.intel.com [10.158.65.69]) by linux.intel.com (Postfix) with ESMTP id 1EE15580922; Tue, 10 Aug 2021 01:52:42 -0700 (PDT) From: Wong Vee Khee To: Jose Abreu , Andrew Lunn , Heiner Kallweit , Russell King , "David S . Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Vladimir Oltean Subject: [PATCH net-next 1/1] net: pcs: xpcs: fix error handling on failed to allocate memory Date: Tue, 10 Aug 2021 16:58:12 +0800 Message-Id: <20210810085812.1808466-1-vee.khee.wong@linux.intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Drivers such as sja1105 and stmmac that call xpcs_create() expects an error returned by the pcs-xpcs module, but this was not the case on failed to allocate memory. Fixed this by returning an -ENOMEM instead of a NULL pointer. Cc: Vladimir Oltean Signed-off-by: Wong Vee Khee Reviewed-by: Vladimir Oltean --- drivers/net/pcs/pcs-xpcs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c index 63fda3fc40aa..4bd61339823c 100644 --- a/drivers/net/pcs/pcs-xpcs.c +++ b/drivers/net/pcs/pcs-xpcs.c @@ -1089,7 +1089,7 @@ struct dw_xpcs *xpcs_create(struct mdio_device *mdiodev, xpcs = kzalloc(sizeof(*xpcs), GFP_KERNEL); if (!xpcs) - return NULL; + return ERR_PTR(-ENOMEM); xpcs->mdiodev = mdiodev;