linux-kernel - [PATCH AUTOSEL 5.7 168/388] usb: dwc3: meson-g12a: check return of dwc3_meson_g12a_usb

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Date:   Wed, 17 Jun 2020 21:04:25 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Felipe Balbi <balbi@...nel.org>,
        Sasha Levin <sashal@...nel.org>, linux-usb@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org
Subject: [PATCH AUTOSEL 5.7 168/388] usb: dwc3: meson-g12a: check return of dwc3_meson_g12a_usb_init

From: Neil Armstrong <narmstrong@...libre.com>

[ Upstream commit 8f5bc1ec770c2bdc8c604ba4119a77d81d8f3529 ]

The dwc3_meson_g12a_usb_init function can return an error, check it.

Fixes: c99993376f72ca ("usb: dwc3: Add Amlogic G12A DWC3 glue")
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
Signed-off-by: Felipe Balbi <balbi@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/usb/dwc3/dwc3-meson-g12a.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c
index b81d085bc534..2d257bdfe848 100644
--- a/drivers/usb/dwc3/dwc3-meson-g12a.c
+++ b/drivers/usb/dwc3/dwc3-meson-g12a.c
@@ -525,7 +525,9 @@ static int dwc3_meson_g12a_probe(struct platform_device *pdev)
 	/* Get dr_mode */
 	priv->otg_mode = usb_get_dr_mode(dev);
 
-	dwc3_meson_g12a_usb_init(priv);
+	ret = dwc3_meson_g12a_usb_init(priv);
+	if (ret)
+		goto err_disable_clks;
 
 	/* Init PHYs */
 	for (i = 0 ; i < PHY_COUNT ; ++i) {
-- 
2.25.1