drm/rockchip: inno_hdmi: Fix error handling path.

Add missing error handling in bind().

Fixes: 412d4ae6b7a5 ("drm/rockchip: hdmi: add Innosilicon HDMI support")
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
[moved clk_disable_unprepare reordering in unbind to separate patch]
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20180302175757.28192-3-enric.balletbo@collabora.com

diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index f6ad487..a5c6619 100644 (file)
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -849,8 +849,10 @@ static int inno_hdmi_bind(struct device *dev, struct device *master,
        }
 
        irq = platform_get_irq(pdev, 0);
-       if (irq < 0)
-               return irq;
+       if (irq < 0) {
+               ret = irq;
+               goto err_disable_clk;
+       }
 
        inno_hdmi_reset(hdmi);
 
@@ -858,7 +860,7 @@ static int inno_hdmi_bind(struct device *dev, struct device *master,
        if (IS_ERR(hdmi->ddc)) {
                ret = PTR_ERR(hdmi->ddc);
                hdmi->ddc = NULL;
-               return ret;
+               goto err_disable_clk;
        }
 
        /*
@@ -872,7 +874,7 @@ static int inno_hdmi_bind(struct device *dev, struct device *master,
 
        ret = inno_hdmi_register(drm, hdmi);
        if (ret)
-               return ret;
+               goto err_put_adapter;
 
        dev_set_drvdata(dev, hdmi);
 
@@ -882,7 +884,17 @@ static int inno_hdmi_bind(struct device *dev, struct device *master,
        ret = devm_request_threaded_irq(dev, irq, inno_hdmi_hardirq,
                                        inno_hdmi_irq, IRQF_SHARED,
                                        dev_name(dev), hdmi);
+       if (ret < 0)
+               goto err_cleanup_hdmi;
 
+       return 0;
+err_cleanup_hdmi:
+       hdmi->connector.funcs->destroy(&hdmi->connector);
+       hdmi->encoder.funcs->destroy(&hdmi->encoder);
+err_put_adapter:
+       i2c_put_adapter(hdmi->ddc);
+err_disable_clk:
+       clk_disable_unprepare(hdmi->pclk);
        return ret;
 }