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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CDB39C4332F for ; Thu, 8 Dec 2022 09:06:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229759AbiLHJGL (ORCPT ); Thu, 8 Dec 2022 04:06:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34320 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230183AbiLHJFx (ORCPT ); Thu, 8 Dec 2022 04:05:53 -0500 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EDF8A73F62; Thu, 8 Dec 2022 01:04:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1670490273; x=1702026273; h=from:to:cc:subject:date:message-id; bh=UA+smJjZZYbFnblJ4yJ0P96Z25fhqeBCuoWHkuOYe74=; b=dK7sIzIncfCkR1apA+JyjDmSSCxolKWOYAHhM/KwWFZbj4wQ8I9gsgVE kzLj2pc9WQqNGWXEoh+C1AEpaewa1Zl+DlJk7PRhCqQkpbzTVoATdOgbl d6u4PXnvDoCK9ZvZAccQDbKN2jmdHko9HFhQcfpqsKQUcwjcxk/GK87Wm Ba3fOinjO+l6/w9VcPKP+f4MWcdof7k1mW9mQlixgeF6TWu+1BRQqr4Ij UaDtmk8ZGQhJNsHeq5vKCaqm6RqJwS3vkPJmRZrqEcgIfsHKci2a8NzgK 75SXPndmx+GsXKKt2HceLenbYtWYLENWW5RXmscbxxn1BqQZ6YQSzI1Ek w==; X-IronPort-AV: E=McAfee;i="6500,9779,10554"; a="381413937" X-IronPort-AV: E=Sophos;i="5.96,227,1665471600"; d="scan'208";a="381413937" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Dec 2022 01:03:20 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10554"; a="975786174" X-IronPort-AV: E=Sophos;i="5.96,227,1665471600"; d="scan'208";a="975786174" Received: from ssid-ilbpg3.png.intel.com ([10.88.227.111]) by fmsmga005.fm.intel.com with ESMTP; 08 Dec 2022 01:03:16 -0800 From: Lai Peter Jun Ann To: Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin Cc: netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Michael Sit Wei Hong , Lai Peter Jun Ann Subject: [PATCH net-next 1/1] net: stmmac: Add check for taprio basetime configuration Date: Thu, 8 Dec 2022 17:03:15 +0800 Message-Id: <1670490195-19367-1-git-send-email-jun.ann.lai@intel.com> X-Mailer: git-send-email 1.9.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Michael Sit Wei Hong Adds a boundary check to prevent negative basetime input from user while configuring taprio. Signed-off-by: Michael Sit Wei Hong Signed-off-by: Lai Peter Jun Ann --- drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index 773e415..2cfb18c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -926,6 +926,9 @@ static int tc_setup_taprio(struct stmmac_priv *priv, int i, ret = 0; u64 ctr; + if (qopt->base_time < 0) + return -ERANGE; + if (!priv->dma_cap.estsel) return -EOPNOTSUPP; -- 1.9.1