linux-kernel - [PATCH v2 14/20] drm/tegra: hdmi: Unwind tegra_hdmi

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Message-Id: <20211126161807.15776-15-digetx@gmail.com>
Date:   Fri, 26 Nov 2021 19:18:01 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Liam Girdwood <lgirdwood@...il.com>,
        Agneli <poczt@...tonmail.ch>, Rob Herring <robh+dt@...nel.org>
Cc:     linux-tegra@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: [PATCH v2 14/20] drm/tegra: hdmi: Unwind tegra_hdmi_init() errors

Add missing error unwinding to tegra_hdmi_init(), for consistency.

Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 drivers/gpu/drm/tegra/hdmi.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
index 9a87d351a828..142ad696426f 100644
--- a/drivers/gpu/drm/tegra/hdmi.c
+++ b/drivers/gpu/drm/tegra/hdmi.c
@@ -1456,22 +1456,31 @@ static int tegra_hdmi_init(struct host1x_client *client)
 	if (err < 0) {
 		dev_err(client->dev, "failed to enable HDMI regulator: %d\n",
 			err);
-		return err;
+		goto output_exit;
 	}
 
 	err = regulator_enable(hdmi->pll);
 	if (err < 0) {
 		dev_err(hdmi->dev, "failed to enable PLL regulator: %d\n", err);
-		return err;
+		goto disable_hdmi;
 	}
 
 	err = regulator_enable(hdmi->vdd);
 	if (err < 0) {
 		dev_err(hdmi->dev, "failed to enable VDD regulator: %d\n", err);
-		return err;
+		goto disable_pll;
 	}
 
 	return 0;
+
+disable_pll:
+	regulator_disable(hdmi->pll);
+disable_hdmi:
+	regulator_disable(hdmi->hdmi);
+output_exit:
+	tegra_output_exit(&hdmi->output);
+
+	return err;
 }
 
 static int tegra_hdmi_exit(struct host1x_client *client)
-- 
2.33.1