linux-kernel - [PATCH 3/9] drm: bridge: analogix: Destroy connector when unbinding

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Message-Id: <1491043442-20626-4-git-send-email-jeffy.chen@rock-chips.com>
Date:   Sat,  1 Apr 2017 18:43:56 +0800
From:   Jeffy Chen <jeffy.chen@...k-chips.com>
To:     linux-kernel@...r.kernel.org
Cc:     briannorris@...omium.org, dianders@...omium.org,
        tfiga@...omium.org, seanpaul@...omium.org, zyw@...k-chips.com,
        mark.yao@...k-chips.com, Jeffy Chen <jeffy.chen@...k-chips.com>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        dri-devel@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>,
        Archit Taneja <architt@...eaurora.org>
Subject: [PATCH 3/9] drm: bridge: analogix: Destroy connector when unbinding

Normally we do this in drm_mode_config_cleanup. But analogix dp's
connector is allocated when binding, and would be freed after unbind.

So we need to destroy it when unbinding, to avoid further access.

Signed-off-by: Jeffy Chen <jeffy.chen@...k-chips.com>
---

 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index ec47fc2..084ee8f 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1439,6 +1439,7 @@ void analogix_dp_unbind(struct device *dev, struct device *master,
 	struct analogix_dp_device *dp = dev_get_drvdata(dev);
 
 	analogix_dp_bridge_disable(dp->bridge);
+	dp->connector.funcs->destroy(&dp->connector);
 
 	if (dp->plat_data->panel) {
 		if (drm_panel_unprepare(dp->plat_data->panel))
-- 
2.1.4