linux-kernel - [PATCH 1/2] drm/sun4i: hdmi: Fix an error handling path in 'sun4i_hdmi

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Message-Id: <14c42391e1b562c7495bda6ad6fa1d24ec8dc052.1521413031.git.christophe.jaillet@wanadoo.fr>
Date:   Sun, 18 Mar 2018 23:48:09 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     maxime.ripard@...e-electrons.com, airlied@...ux.ie, wens@...e.org
Cc:     dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH 1/2] drm/sun4i: hdmi: Fix an error handling path in 'sun4i_hdmi_bind()'

If we can not allocate the HDMI encoder regmap, we still need to free some
resources before returning.

Fixes: 4b1c924b1fc1 ("drm/sun4i: hdmi: create a regmap for later use")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
index 500b6fb3e028..d2839727bb0b 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
@@ -538,7 +538,8 @@ static int sun4i_hdmi_bind(struct device *dev, struct device *master,
 					     &sun4i_hdmi_regmap_config);
 	if (IS_ERR(hdmi->regmap)) {
 		dev_err(dev, "Couldn't create HDMI encoder regmap\n");
-		return PTR_ERR(hdmi->regmap);
+		ret = PTR_ERR(hdmi->regmap);
+		goto err_disable_mod_clk;
 	}
 
 	ret = sun4i_tmds_create(hdmi);
-- 
2.14.1