drm/sun4i: hdmi: Remove duplicate cleanup calls
commit5.4-rM2-2.2.x-imx-squashed57177d214e
upstream. When the HDMI unbinds drm_connector_cleanup() and drm_encoder_cleanup() are called. This also happens when the connector and the encoder are destroyed. This double call triggers a NULL pointer exception. The patch fixes this by removing the cleanup calls in the unbind function. Cc: <stable@vger.kernel.org> Fixes:9c5681011a
("drm/sun4i: Add HDMI support") Signed-off-by: Stefan Mavrodiev <stefan@olimex.com> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20191217124632.20820-1-stefan@olimex.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -683,8 +683,6 @@ static void sun4i_hdmi_unbind(struct device *dev, struct device *master,
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struct sun4i_hdmi *hdmi = dev_get_drvdata(dev);
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cec_unregister_adapter(hdmi->cec_adap);
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drm_connector_cleanup(&hdmi->connector);
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drm_encoder_cleanup(&hdmi->encoder);
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i2c_del_adapter(hdmi->i2c);
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i2c_put_adapter(hdmi->ddc_i2c);
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clk_disable_unprepare(hdmi->mod_clk);
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