Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932980AbcJLNss (ORCPT ); Wed, 12 Oct 2016 09:48:48 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:21786 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754882AbcJLNsP (ORCPT ); Wed, 12 Oct 2016 09:48:15 -0400 From: Giuseppe Cavallaro To: CC: , Giuseppe Cavallaro , Alexandre TORGUE , Rayagond Kokatanur Subject: [PATCH (net.git) 2/2] stmmac: fix error check when init ptp Date: Wed, 12 Oct 2016 15:42:04 +0200 Message-ID: <1476279724-11817-2-git-send-email-peppe.cavallaro@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1476279724-11817-1-git-send-email-peppe.cavallaro@st.com> References: <1476279724-11817-1-git-send-email-peppe.cavallaro@st.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [164.130.129.175] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-10-12_08:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1778 Lines: 49 This patch fixes a problem when propagated the failure of ptp_clock_register to open function. Signed-off-by: Giuseppe Cavallaro Cc: Alexandre TORGUE Cc: Rayagond Kokatanur --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 4 ++-- drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c | 10 ++++++---- 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index e838850..6c85b61 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1709,8 +1709,8 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp) if (init_ptp) { ret = stmmac_init_ptp(priv); - if (ret && ret != -EOPNOTSUPP) - pr_warn("%s: failed PTP initialisation\n", __func__); + if (ret) + netdev_warn(priv->dev, "PTP support cannot init.\n"); } #ifdef CONFIG_DEBUG_FS diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c index 6e3b829..289d527 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c @@ -186,10 +186,12 @@ int stmmac_ptp_register(struct stmmac_priv *priv) priv->device); if (IS_ERR(priv->ptp_clock)) { priv->ptp_clock = NULL; - pr_err("ptp_clock_register() failed on %s\n", priv->dev->name); - } else if (priv->ptp_clock) - pr_debug("Added PTP HW clock successfully on %s\n", - priv->dev->name); + return PTR_ERR(priv->ptp_clock); + } + + spin_lock_init(&priv->ptp_lock); + + netdev_dbg(priv->dev, "Added PTP HW clock successfully\n"); return 0; } -- 2.7.4