[PATCH 6.4 621/800] usb: dwc3-meson-g12a: Fix an error handling path in dwc3_meson_g12a_probe()

Greg Kroah-Hartman
2023-07-16T20:21:58Z

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit 01052b91c9808e3c3b068ae2721cb728ec9aa4c0 ]

If dwc3_meson_g12a_otg_init() fails, resources allocated by the previous
of_platform_populate() call should be released, as already done in the
error handling path.

Fixes: 1e355f21d3fb ("usb: dwc3: Add Amlogic A1 DWC3 glue")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Message-ID: <9d28466de1808ccc756b4cc25fc72c482d133d13.1686403934.git.christophe.jaillet@wanadoo.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/usb/dwc3/dwc3-meson-g12a.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c
index b282ad0e69c6d..eaea944ebd2ce 100644
--- a/drivers/usb/dwc3/dwc3-meson-g12a.c
+++ b/drivers/usb/dwc3/dwc3-meson-g12a.c
@@ -805,7 +805,7 @@ static int dwc3_meson_g12a_probe(struct platform_device *pdev)

ret = dwc3_meson_g12a_otg_init(pdev, priv);
if (ret)
- goto err_phys_power;
+ goto err_plat_depopulate;

pm_runtime_set_active(dev);
pm_runtime_enable(dev);
@@ -813,6 +813,9 @@ static int dwc3_meson_g12a_probe(struct platform_device *pdev)

return 0;

+err_plat_depopulate:
+ of_platform_depopulate(dev);
+
err_phys_power:
for (i = 0 ; i < PHY_COUNT ; ++i)
phy_power_off(priv->phys[i]);
--
2.39.2