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[RFC,v3,2/5] drm/rockchip: Fix error handling path in rockchip_dp_bind()

Message ID 20171017080925.23763-3-jeffy.chen@rock-chips.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jeffy Chen Oct. 17, 2017, 8:09 a.m. UTC 
Add missing error handling in rockchip_dp_bind().

Fixes: 9e32e16e9e98 ("drm: rockchip: dp: add rockchip platform dp driver")
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---

Changes in v3: None
Changes in v2: None

 drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index 4d3f6ad0abdd..cb8941e8bcdd 100644
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -371,7 +371,7 @@  static int rockchip_dp_bind(struct device *dev, struct device *master,
 	ret = rockchip_dp_drm_create_encoder(dp);
 	if (ret) {
 		DRM_ERROR("failed to create drm encoder\n");
-		return ret;
+		goto err_deinit_dp;
 	}
 
 	dp->plat_data.encoder = &dp->encoder;
@@ -387,7 +387,17 @@  static int rockchip_dp_bind(struct device *dev, struct device *master,
 
 	rockchip_drm_psr_register(&dp->encoder, analogix_dp_psr_set);
 
-	return analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data);
+	ret = analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data);
+	if (ret < 0)
+		goto err_unreg_psr;
+	return 0;
+
+err_unreg_psr:
+	rockchip_drm_psr_unregister(&dp->encoder);
+	rockchip_dp_drm_encoder_destroy(&dp->encoder);
+err_deinit_dp:
+	clk_disable_unprepare(dp->pclk);
+	return ret;
 }
 
 static void rockchip_dp_unbind(struct device *dev, struct device *master,