[PATCH v3 2/5] [media] mtk-mdp: handle vb2_dma_contig_set_max_seg_size errors during probe

[Eizan Miyamoto]

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

Signed-off-by: Eizan Miyamoto <eizan@xxxxxxxxxxxx>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
---

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 | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
index aeaed2cf4458..9b24b8d46eb7 100644
--- a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
@@ -193,7 +193,11 @@ static int mtk_mdp_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, mdp);
 
-	vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
+	ret = vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to set vb2 dma mag seg size\n");
+		goto err_m2m_register;
+	}
 
 	pm_runtime_enable(dev);
 	dev_dbg(dev, "mdp-%d registered successfully\n", mdp->id);
-- 
2.26.2.526.g744177e7f7-goog