From patchwork Tue Nov 24 06:24:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Li X-Patchwork-Id: 1405273 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CgDX90Pggz9sTR for ; Tue, 24 Nov 2020 17:24:57 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729656AbgKXGYd (ORCPT ); Tue, 24 Nov 2020 01:24:33 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:8392 "EHLO szxga07-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728586AbgKXGYd (ORCPT ); Tue, 24 Nov 2020 01:24:33 -0500 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4CgDWJ1Wk4z6vQq; Tue, 24 Nov 2020 14:24:12 +0800 (CST) Received: from euler.huawei.com (10.175.124.27) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.487.0; Tue, 24 Nov 2020 14:24:21 +0800 From: Wei Li To: Pantelis Antoniou , "David S. Miller" , Jakub Kicinski , Scott Wood , Jeff Garzik , Timur Tabi , Kumar Gala CC: , , , Subject: [PATCH] net: fs_enet: Fix incorrect IS_ERR_VALUE macro usages Date: Tue, 24 Nov 2020 14:24:09 +0800 Message-ID: <20201124062409.1142-1-liwei391@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.175.124.27] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org IS_ERR_VALUE macro should be used only with unsigned long type. Especially it works incorrectly with unsigned shorter types on 64bit machines. Fixes: 976de6a8c304 ("fs_enet: Be an of_platform device when CONFIG_PPC_CPM_NEW_BINDING is set.") Fixes: 4c35630ccda5 ("[POWERPC] Change rheap functions to use ulongs instead of pointers") Signed-off-by: Wei Li --- drivers/net/ethernet/freescale/fs_enet/mac-fcc.c | 2 +- drivers/net/ethernet/freescale/fs_enet/mac-scc.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c b/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c index b47490be872c..e2117ad46130 100644 --- a/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c +++ b/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c @@ -107,7 +107,7 @@ static int do_pd_setup(struct fs_enet_private *fep) fep->fcc.mem = (void __iomem *)cpm2_immr; fpi->dpram_offset = cpm_dpalloc(128, 32); - if (IS_ERR_VALUE(fpi->dpram_offset)) { + if (IS_ERR_VALUE((unsigned long)(int)fpi->dpram_offset)) { ret = fpi->dpram_offset; goto out_fcccp; } diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-scc.c b/drivers/net/ethernet/freescale/fs_enet/mac-scc.c index 64300ac13e02..90f82df0b1bb 100644 --- a/drivers/net/ethernet/freescale/fs_enet/mac-scc.c +++ b/drivers/net/ethernet/freescale/fs_enet/mac-scc.c @@ -136,7 +136,7 @@ static int allocate_bd(struct net_device *dev) fep->ring_mem_addr = cpm_dpalloc((fpi->tx_ring + fpi->rx_ring) * sizeof(cbd_t), 8); - if (IS_ERR_VALUE(fep->ring_mem_addr)) + if (IS_ERR_VALUE((unsigned long)(int)fep->ring_mem_addr)) return -ENOMEM; fep->ring_base = (void __iomem __force*)