[PATCH v3 3/5] [media] mtk-mdp: handle vpu_wdt_reg_handler() errors during probe

[Eizan Miyamoto]

This is a cleanup to better handle errors during MDP probe.

Signed-off-by: Eizan Miyamoto <ei...@chromium.org>
Reviewed-by: Enric Balletbo i Serra <enric.balle...@collabora.com>
---

Changes in v3: None
Changes in v2:
- remove unnecessary error handling labels in favor of err_m2m_register

 drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c 
b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
index 9b24b8d46eb7..17d155219ba2 100644
--- a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
@@ -188,8 +188,12 @@ static int mtk_mdp_probe(struct platform_device *pdev)
        }
 
        mdp->vpu_dev = vpu_get_plat_device(pdev);
-       vpu_wdt_reg_handler(mdp->vpu_dev, mtk_mdp_reset_handler, mdp,
-                           VPU_RST_MDP);
+       ret = vpu_wdt_reg_handler(mdp->vpu_dev, mtk_mdp_reset_handler, mdp,
+                                 VPU_RST_MDP);
+       if (ret) {
+               dev_err(&pdev->dev, "Failed to register reset handler\n");
+               goto err_m2m_register;
+       }
 
        platform_set_drvdata(pdev, mdp);
 
-- 
2.26.2.526.g744177e7f7-goog