From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C38A779C0 for ; Wed, 30 Nov 2022 18:39:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3B089C433C1; Wed, 30 Nov 2022 18:39:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1669833554; bh=boW4vrn7tEmgGFU85fz9ofdYzZvaS+ccAqeV3Z+iheA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lxk7jDZV4jeFnsyjC3GHrBpH8dgjOVjYOB/hW5P8h6EOjThgwzVY9dVf57SuersfJ mWb5M3pF8nJm8zkqNxSTAq5xK8bi/LmVhbIhk9HQghxkK6hqXP1pdZ7JuMKl+oO59a n2dPGVuskxqvZ+peIGYF26hVl+twwZ1DfpERhu4c= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Liu Jian , Bjarni Jonasson , Steen Hegelund , Paolo Abeni , Sasha Levin Subject: [PATCH 5.15 111/206] net: sparx5: fix error handling in sparx5_port_open() Date: Wed, 30 Nov 2022 19:22:43 +0100 Message-Id: <20221130180535.868983141@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221130180532.974348590@linuxfoundation.org> References: <20221130180532.974348590@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Liu Jian [ Upstream commit 4305fe232b8aa59af3761adc9fe6b6aa40913960 ] If phylink_of_phy_connect() fails, the port should be disabled. If sparx5_serdes_set()/phy_power_on() fails, the port should be disabled and the phylink should be stopped and disconnected. Fixes: 946e7fd5053a ("net: sparx5: add port module support") Fixes: f3cad2611a77 ("net: sparx5: add hostmode with phylink support") Signed-off-by: Liu Jian Tested-by: Bjarni Jonasson Reviewed-by: Steen Hegelund Link: https://lore.kernel.org/r/20221117125918.203997-1-liujian56@huawei.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- .../net/ethernet/microchip/sparx5/sparx5_netdev.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c b/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c index cb68eaaac881..5c7b21ce64ed 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c @@ -83,7 +83,7 @@ static int sparx5_port_open(struct net_device *ndev) err = phylink_of_phy_connect(port->phylink, port->of_node, 0); if (err) { netdev_err(ndev, "Could not attach to PHY\n"); - return err; + goto err_connect; } phylink_start(port->phylink); @@ -95,10 +95,20 @@ static int sparx5_port_open(struct net_device *ndev) err = sparx5_serdes_set(port->sparx5, port, &port->conf); else err = phy_power_on(port->serdes); - if (err) + if (err) { netdev_err(ndev, "%s failed\n", __func__); + goto out_power; + } } + return 0; + +out_power: + phylink_stop(port->phylink); + phylink_disconnect_phy(port->phylink); +err_connect: + sparx5_port_enable(port, false); + return err; } -- 2.35.1