linux-kernel - [PATCH v3 09/10] staging: fsl-dpaa2/ethsw: register

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Message-Id: <1565700187-16048-10-git-send-email-ioana.ciornei@nxp.com>
Date:   Tue, 13 Aug 2019 15:43:06 +0300
From:   Ioana Ciornei <ioana.ciornei@....com>
To:     gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org
Cc:     joe@...ches.com, andrew@...n.ch, ruxandra.radulescu@....com,
        Ioana Ciornei <ioana.ciornei@....com>
Subject: [PATCH v3 09/10] staging: fsl-dpaa2/ethsw: register_netdev only when ready

The register_netdev() call should be made only when ready to process any
user request on the interface. Move the call to be the last one issued
in the probe sequence.

Reported-by: Andrew Lunn <andrew@...n.ch>
Signed-off-by: Ioana Ciornei <ioana.ciornei@....com>
---
Changes in v2:
 - added Reported-by tag
Changes in v3:
 - none

 drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
index 28da109aef5e..14a9eebf687e 100644
--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
+++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
@@ -1588,23 +1588,21 @@ static int ethsw_probe_port(struct ethsw_core *ethsw, u16 port_idx)
 	port_netdev->min_mtu = ETH_MIN_MTU;
 	port_netdev->max_mtu = ETHSW_MAX_FRAME_LENGTH;
 
+	err = ethsw_port_init(port_priv, port_idx);
+	if (err)
+		goto err_port_probe;
+
 	err = register_netdev(port_netdev);
 	if (err < 0) {
 		dev_err(dev, "register_netdev error %d\n", err);
-		goto err_register_netdev;
+		goto err_port_probe;
 	}
 
 	ethsw->ports[port_idx] = port_priv;
 
-	err = ethsw_port_init(port_priv, port_idx);
-	if (err)
-		goto err_ethsw_port_init;
-
 	return 0;
 
-err_ethsw_port_init:
-	unregister_netdev(port_netdev);
-err_register_netdev:
+err_port_probe:
 	free_netdev(port_netdev);
 
 	return err;
-- 
1.9.1