From: Jeffy Chen jeffy.chen@rock-chips.com
The rockchip_drm_psr_register() can fail, so add a sanity check for that.
Also reorder the calls in unbind() to match bind().
Signed-off-by: Jeffy Chen jeffy.chen@rock-chips.com Signed-off-by: Thierry Escande thierry.escande@collabora.com --- drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c index 37250ab63bd7..eb88c52336a7 100644 --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -354,15 +354,22 @@ static int rockchip_dp_bind(struct device *dev, struct device *master, dp->psr_state = ~EDP_VSC_PSR_STATE_ACTIVE; INIT_WORK(&dp->psr_work, analogix_dp_psr_work);
- rockchip_drm_psr_register(&dp->encoder, analogix_dp_psr_set); + ret = rockchip_drm_psr_register(&dp->encoder, analogix_dp_psr_set); + if (ret < 0) + goto err_cleanup_encoder;
dp->adp = analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data); if (IS_ERR(dp->adp)) { - dp->encoder.funcs->destroy(&dp->encoder); - return PTR_ERR(dp->adp); + ret = PTR_ERR(dp->adp); + goto err_unreg_psr; }
return 0; +err_unreg_psr: + rockchip_drm_psr_unregister(&dp->encoder); +err_cleanup_encoder: + dp->encoder.funcs->destroy(&dp->encoder); + return ret; }
static void rockchip_dp_unbind(struct device *dev, struct device *master, @@ -370,8 +377,8 @@ static void rockchip_dp_unbind(struct device *dev, struct device *master, { struct rockchip_dp_device *dp = dev_get_drvdata(dev);
- rockchip_drm_psr_unregister(&dp->encoder); analogix_dp_unbind(dp->adp); + rockchip_drm_psr_unregister(&dp->encoder); dp->encoder.funcs->destroy(&dp->encoder); }