[PATCH v2 2/5] [media] mtk-mdp: handle vb2_dma_contig_set_max_seg_size errors during probe

From: Eizan Miyamoto
Date: Wed May 06 2020 - 01:50:28 EST


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

Signed-off-by: eizan@xxxxxxxxxxxx
Signed-off-by: Eizan Miyamoto <eizan@xxxxxxxxxxxx>
---

Changes in v1:
- 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