[PATCH v3 2/5] [media] mtk-mdp: handle vb2_dma_contig_set_max_seg_size errors during probe
From: Eizan Miyamoto <hidden>
Date: 2020-05-07 10:24:34
Also in:
linux-media, linux-mediatek, lkml
Subsystem:
media input infrastructure (v4l/dvb), the rest · Maintainers:
Mauro Carvalho Chehab, Linus Torvalds
This is a cleanup to better handle errors during MDP probe. Signed-off-by: Eizan Miyamoto <redacted> Reviewed-by: Enric Balletbo i Serra <redacted> --- 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
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