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disp: msm: dp: reset panel object for connector when uninstalled

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When panel object for a dp connector is destroyed, the instance
of dp_panel in the connector object is made NULL to prevent
further panel object dereferences.

Change-Id: I63409ab8c470f14cf9c032e373cb0c0872577504
Signed-off-by: Sankeerth Billakanti <sbillaka@codeaurora.org>
Signed-off-by: Tatenda Chipeperekwa <tatendac@codeaurora.org>
This commit is contained in:
Sankeerth Billakanti
2019-12-23 10:11:15 +05:30
committed by Tatenda Chipeperekwa
parent 3630628d0d
commit be267c80f7
1 changed files with 5 additions and 0 deletions
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5
msm/dp/dp_panel.c
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@@ -3069,6 +3069,7 @@ error:
void dp_panel_put(struct dp_panel *dp_panel)
{
struct dp_panel_private *panel;
struct sde_connector *sde_conn;
if (!dp_panel)
return;
@@ -3076,5 +3077,9 @@ void dp_panel_put(struct dp_panel *dp_panel)
panel = container_of(dp_panel, struct dp_panel_private, dp_panel);
dp_panel_edid_deregister(panel);
sde_conn = to_sde_connector(dp_panel->connector);
if (sde_conn)
sde_conn->drv_panel = NULL;
devm_kfree(panel->dev, panel);
}