From: Heiner Kallweit <hkallweit1@gmail.com>
Date: Wed, 15 Dec 2021 10:25:46 +0000 (+0100)
Subject: reset: renesas: Check return value of reset_control_deassert()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a6ec9d95c2053e504b9327b4ed7822aafd5c87cc;p=linux.git

reset: renesas: Check return value of reset_control_deassert()

[ Upstream commit da18980a855edf44270f05455e0ec3f2472f64cc ]

Deasserting the reset is vital, therefore bail out in case of error.

Suggested-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/b2131908-0110-006b-862f-080517f3e2d8@gmail.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/reset/reset-rzg2l-usbphy-ctrl.c b/drivers/reset/reset-rzg2l-usbphy-ctrl.c
index 1e83150388506..a8dde46063602 100644
--- a/drivers/reset/reset-rzg2l-usbphy-ctrl.c
+++ b/drivers/reset/reset-rzg2l-usbphy-ctrl.c
@@ -121,7 +121,9 @@ static int rzg2l_usbphy_ctrl_probe(struct platform_device *pdev)
 		return dev_err_probe(dev, PTR_ERR(priv->rstc),
 				     "failed to get reset\n");
 
-	reset_control_deassert(priv->rstc);
+	error = reset_control_deassert(priv->rstc);
+	if (error)
+		return error;
 
 	priv->rcdev.ops = &rzg2l_usbphy_ctrl_reset_ops;
 	priv->rcdev.of_reset_n_cells = 1;