From nobody Thu Oct 2 14:27:46 2025 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3DE8F29BDB4; Tue, 16 Sep 2025 09:20:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758014428; cv=none; b=M4ND4yBDx+V8vi0kpfE1VE+0vk+RVOaZ05mO9DeV2jdUhwDcK56XNSSl/sXQoe+Vpd3yib9DOsuKyy66OgqNJ2279Pl6DojurNv9xKgp0MPwosi8i0QmHJUWl3VjOrvHQcdpgRHUz6rx0utSM3hAGaTYBjGEwI7fd369bpQrICk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758014428; c=relaxed/simple; bh=aWLd47MRoI/sjNgau3RpO0j0qsjD6QkgQ11E2+SOxIA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=iEDK7nb2tOVnYo5chz3Xzm/WlbI6Is4YnTAZIg939O91J0eYAB1gLbsoDM0UbQVwmhCStxy6IjDoKLCIfYNV1rB+YFIk/QFWVsS5hYm1MtZa9O8xLaS7wVFUBRCXhT2BBD8e+aCj4wtoLIF+UtCQVb1HzpW8BNBybzlL0YaDqrU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Vxd4kuen; arc=none smtp.client-ip=192.198.163.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Vxd4kuen" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1758014427; x=1789550427; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=aWLd47MRoI/sjNgau3RpO0j0qsjD6QkgQ11E2+SOxIA=; b=Vxd4kuen5vTifKTAtULgYzh9AJMSjcHJMF2oSUIbxVb6JP8C4JE2iNVa F232w5UJTP9WKr4fbN9uSaW4bhwc/OFNfIcaogObUS1rv3j2bhWCFG9cV ML5EHw+Njuf4rii8/5ZK/x3WFvBbpvgoVMtP6Zpv1GzSYYyEuXwoz+oxe 8SQwRSOtaGBSPEDheAhOuHSd5bJ3noY9L8Qg5MmFyo9uYMTFAp9LRQXv8 9lviKwBJHUBEWtM6zO17gjo4eEkEc4xE5SE8phiireC6y+hX1eaBN5G6T KpFanBpmV/+BOtDXpHC3acJvShcZWVxlslu+M6QRt0zQSN6eqftC5QQaG A==; X-CSE-ConnectionGUID: GlsMhUFkRKKpfFhUGRzYvg== X-CSE-MsgGUID: X8VwbWSOTmGiIGKFT5nWzA== X-IronPort-AV: E=McAfee;i="6800,10657,11554"; a="70968809" X-IronPort-AV: E=Sophos;i="6.18,268,1751266800"; d="scan'208";a="70968809" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2025 02:20:25 -0700 X-CSE-ConnectionGUID: tJ61g1MGTxqtjrUcSIXGIA== X-CSE-MsgGUID: pD4hyALmSeCx2udQBKU0xg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,268,1751266800"; d="scan'208";a="175305467" Received: from gklab-kleszczy-dev.igk.intel.com ([10.102.25.215]) by fmviesa008.fm.intel.com with ESMTP; 16 Sep 2025 02:20:22 -0700 From: Konrad Leszczynski To: davem@davemloft.net, andrew+netdev@lunn.ch, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, cezary.rojewski@intel.com, sebastian.basierski@intel.com, Karol Jurczenia , Konrad Leszczynski Subject: [PATCH net v3 2/2] net: stmmac: check if interface is running before TC block setup Date: Tue, 16 Sep 2025 11:25:07 +0200 Message-Id: <20250916092507.216613-3-konrad.leszczynski@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250916092507.216613-1-konrad.leszczynski@intel.com> References: <20250916092507.216613-1-konrad.leszczynski@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Karol Jurczenia If the interface is down before setting a TC block, the queues are already disabled and setup cannot proceed. Reviewed-by: Konrad Leszczynski Reviewed-by: Sebastian Basierski Signed-off-by: Karol Jurczenia --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/ne= t/ethernet/stmicro/stmmac/stmmac_main.c index 7b16d1207b80..133ffdc91153 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -6247,6 +6247,9 @@ static int stmmac_setup_tc_block_cb(enum tc_setup_typ= e type, void *type_data, struct stmmac_priv *priv =3D cb_priv; int ret =3D -EOPNOTSUPP; =20 + if (!netif_running(priv->dev)) + return -EINVAL; + if (!tc_cls_can_offload_and_chain0(priv->dev, type_data)) return ret; =20 --=20 2.34.1