linux-kernel - [PATCH v1 1/3] usb: typec: intel_pmc_mux: Put fwnode in error case during ->probe()

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Date:   Sun,  6 Jun 2021 23:09:09 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>
Subject: [PATCH v1 1/3] usb: typec: intel_pmc_mux: Put fwnode in error case during ->probe()

device_get_next_child_node() bumps a reference counting of a returned variable.
We have to balance it whenever we return to the caller.

Fixes: 6701adfa9693 ("usb: typec: driver for Intel PMC mux control")
Cc: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@...il.com>
---
 drivers/usb/typec/mux/intel_pmc_mux.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c
index 46a25b8db72e..134325444e6a 100644
--- a/drivers/usb/typec/mux/intel_pmc_mux.c
+++ b/drivers/usb/typec/mux/intel_pmc_mux.c
@@ -645,6 +645,7 @@ static int pmc_usb_probe(struct platform_device *pdev)
 	return 0;
 
 err_remove_ports:
+	fwnode_handle_put(fwnode);
 	for (i = 0; i < pmc->num_ports; i++) {
 		typec_switch_unregister(pmc->port[i].typec_sw);
 		typec_mux_unregister(pmc->port[i].typec_mux);
-- 
2.31.1