linux-kernel - [PATCH] drivers: net: xgene: Fix error handling

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Date:	Tue,  3 May 2016 16:05:07 +0200
From:	Matthias Brugger <mbrugger@...e.com>
To:	davem@...emloft.net, isubramanian@....com
Cc:	kchudgar@....com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Matthias Brugger <mbrugger@...e.com>
Subject: [PATCH] drivers: net: xgene: Fix error handling

When probe bails out with an error, we try to unregister the
netdev before we have even registered it. Fix the goto statements
for that.

Signed-off-by: Matthias Brugger <mbrugger@...e.com>
---
 drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 8d4c1ad..99d7e58 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -1595,21 +1595,22 @@ static int xgene_enet_probe(struct platform_device *pdev)
 
 	ret = xgene_enet_init_hw(pdata);
 	if (ret)
-		goto err;
+		goto err_netdev;
 
 	mac_ops = pdata->mac_ops;
 	if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
 		ret = xgene_enet_mdio_config(pdata);
 		if (ret)
-			goto err;
+			goto err_netdev;
 	} else {
 		INIT_DELAYED_WORK(&pdata->link_work, mac_ops->link_state);
 	}
 
 	xgene_enet_napi_add(pdata);
 	return 0;
-err:
+err_netdev:
 	unregister_netdev(ndev);
+err:
 	free_netdev(ndev);
 	return ret;
 }
-- 
2.6.6