drm: rcar-du: Release vsp device reference in all error paths

Use drmm_add_action_or_reset() instead of drmm_add_action() to ensure
the vsp device reference is released in case the function call fails.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
index f6a69aa..4dcb1bf 100644 (file)
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
@@ -364,7 +364,7 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,
 
        vsp->vsp = &pdev->dev;
 
-       ret = drmm_add_action(rcdu->ddev, rcar_du_vsp_cleanup, vsp);
+       ret = drmm_add_action_or_reset(rcdu->ddev, rcar_du_vsp_cleanup, vsp);
        if (ret < 0)
                return ret;