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,USER_AGENT_GIT autolearn=unavailable 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 1FA02C33CAF for ; Thu, 16 Jan 2020 18:03:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E73C2217F4 for ; Thu, 16 Jan 2020 18:03:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579197807; bh=5S/FOkUdXxZUpMsLNTPt8dfQgUe4VOGLaCf/W5BJC8I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=0LfE3XHHRajm4++mFDiMHvDEipdJe82eQo+HAVEYK5Ia6ES3IzPclQSA1caChsy4c ZfRsFqBsYaUmxFRO7Zvl2iPBC+ZRuJ+NaCB9ZoDBtmEguT9z7xYBziB72IXrPPpl3o +0ya1ZNlKy/sdvD9Y7Cd7r/JYpatWPuOpn19l21E= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393716AbgAPRkv (ORCPT ); Thu, 16 Jan 2020 12:40:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:58206 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2393700AbgAPRku (ORCPT ); Thu, 16 Jan 2020 12:40:50 -0500 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 06BC724695; Thu, 16 Jan 2020 17:40:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579196449; bh=5S/FOkUdXxZUpMsLNTPt8dfQgUe4VOGLaCf/W5BJC8I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kbYqP7KG8dwCbtzaJvJJ2m5HlLEn8WJAtKdfJ6g5tuUXdaszi776hSa/MniYR3ASX AHdu6Ce7sULAFJG8L5LWW4O9dacPshDvnRL6S65QtZiUN8iRqw8BQS333YmafvK6r+ SFWC/CNWMmnfj9Lc9DAstHfVHx84jR9YhWVqJFjU= 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, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 4.9 210/251] net: stmmac: gmac4+: Not all Unicast addresses may be available Date: Thu, 16 Jan 2020 12:35:59 -0500 Message-Id: <20200116173641.22137-170-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200116173641.22137-1-sashal@kernel.org> References: <20200116173641.22137-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@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 f46f2bfc2cc0..4216c0a5eaf5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -168,7 +168,7 @@ 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