From 7dbac0c9a1c4a86be928e2b13398346ca5b57233 Mon Sep 17 00:00:00 2001 From: Razvan Stefanescu Date: Fri, 5 Jul 2019 17:27:13 +0300 Subject: [PATCH] staging: fsl-dpaa2/ethsw: Remove netdevice on port probing error If the ethsw_port_init() call failed, the netdevice remains registered in the system. Use labels to ensure that netdevice is unregistered and freed in this case. Signed-off-by: Razvan Stefanescu Signed-off-by: Ioana Ciornei Link: https://lore.kernel.org/r/1562336836-17119-4-git-send-email-ioana.ciornei@nxp.com Signed-off-by: Greg Kroah-Hartman --- drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c index b2273f840813..9f1617164865 100644 --- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c +++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c @@ -1460,13 +1460,23 @@ static int ethsw_probe_port(struct ethsw_core *ethsw, u16 port_idx) err = register_netdev(port_netdev); if (err < 0) { dev_err(dev, "register_netdev error %d\n", err); - free_netdev(port_netdev); - return err; + goto err_register_netdev; } ethsw->ports[port_idx] = port_priv; - return ethsw_port_init(port_priv, port_idx); + 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: + free_netdev(port_netdev); + + return err; } static int ethsw_probe(struct fsl_mc_device *sw_dev) -- 2.45.2