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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 107FCCA9EB9 for ; Sat, 26 Oct 2019 13:31:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DA75F20867 for ; Sat, 26 Oct 2019 13:31:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572096689; bh=1EsJ6qn9dEwaKmDyj1yN7qxoHEKJa6koM+zwdvlK2Y8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=q6Itn7PTGqS+yEBfIkGWlClrZtO6sSb3KZNNT5ZSqP+5+9eR8FvjhaMELcthRtnF2 Sap2gpEMukXgoPHuHvfDTom5zILyKplj3kC0opoCxM5iQap2fo/wpZ1PjJUdXQxMsv yklaNsZ1wXJeRb0filjff9iMGfrUrdpWUuD8XXug= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728236AbfJZNb2 (ORCPT ); Sat, 26 Oct 2019 09:31:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:41270 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728215AbfJZNTT (ORCPT ); Sat, 26 Oct 2019 09:19:19 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2E197222C1; Sat, 26 Oct 2019 13:19:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572095958; bh=1EsJ6qn9dEwaKmDyj1yN7qxoHEKJa6koM+zwdvlK2Y8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SYEf55dztb0rAa757BzsPFskNa5zBDuv0nwWreoEArlgyHWahoY4+qGsJ/XZ2+ICA 4UK5TvSUFU68I+Nn/9FSuFzBpTlqTraZgV/SCnEmccHSqumCGcXTePdLP3DD+sYbYN zdyHA3izMQXh3+QoFKjrI1RmtIAG0IcGvx4KWNlQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jose Abreu , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 07/59] net: stmmac: gmac4+: Not all Unicast addresses may be available Date: Sat, 26 Oct 2019 09:18:18 -0400 Message-Id: <20191026131910.3435-7-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191026131910.3435-1-sashal@kernel.org> References: <20191026131910.3435-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jose Abreu [ Upstream commit 25683bab09a70542b9f8e3e28f79b3369e56701f ] Some setups may not have all Unicast addresses filters available. Check the number of available filters before trying to setup it. Fixes: 477286b53f55 ("stmmac: add GMAC4 core support") Signed-off-by: Jose Abreu Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 48cf5e2b24417..bc8871e7351f2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -443,7 +443,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw, } /* Handle multiple unicast addresses */ - if (netdev_uc_count(dev) > GMAC_MAX_PERFECT_ADDRESSES) { + if (netdev_uc_count(dev) > hw->unicast_filter_entries) { /* Switch to promiscuous mode if more than 128 addrs * are required */ -- 2.20.1