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Date: Sun, 13 Dec 2020 12:48:38 +0100 From: Christophe JAILLET <christophe.jaillet@...adoo.fr> To: UNGLinuxDriver@...rochip.com, vladimir.oltean@....com, claudiu.manoil@....com, alexandre.belloni@...tlin.com, davem@...emloft.net, kuba@...nel.org, andrew@...n.ch Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org, Christophe JAILLET <christophe.jaillet@...adoo.fr> Subject: [PATCH] net: mscc: ocelot: Fix a resource leak in the error handling path of the probe function In case of error after calling 'ocelot_init()', it must be undone by a corresponding 'ocelot_deinit()' call, as already done in the remove function. Fixes: a556c76adc05 ("net: mscc: Add initial Ocelot switch support") Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr> --- drivers/net/ethernet/mscc/ocelot_vsc7514.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mscc/ocelot_vsc7514.c b/drivers/net/ethernet/mscc/ocelot_vsc7514.c index 1e7729421a82..9cf2bc5f4289 100644 --- a/drivers/net/ethernet/mscc/ocelot_vsc7514.c +++ b/drivers/net/ethernet/mscc/ocelot_vsc7514.c @@ -1267,7 +1267,7 @@ static int mscc_ocelot_probe(struct platform_device *pdev) err = mscc_ocelot_init_ports(pdev, ports); if (err) - goto out_put_ports; + goto out_ocelot_deinit; if (ocelot->ptp) { err = ocelot_init_timestamp(ocelot, &ocelot_ptp_clock_info); @@ -1282,8 +1282,14 @@ static int mscc_ocelot_probe(struct platform_device *pdev) register_switchdev_notifier(&ocelot_switchdev_nb); register_switchdev_blocking_notifier(&ocelot_switchdev_blocking_nb); + of_node_put(ports); + dev_info(&pdev->dev, "Ocelot switch probed\n"); + return 0; + +out_ocelot_deinit: + ocelot_deinit(ocelot); out_put_ports: of_node_put(ports); return err; -- 2.27.0
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