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Date: Wed, 6 May 2020 15:49:17 +1000 From: Eizan Miyamoto <eizan@...omium.org> To: LKML <linux-kernel@...r.kernel.org> Cc: Eizan Miyamoto <eizan@...omium.org>, Andrew-CT Chen <andrew-ct.chen@...iatek.com>, Houlong Wei <houlong.wei@...iatek.com>, Matthias Brugger <matthias.bgg@...il.com>, Mauro Carvalho Chehab <mchehab@...nel.org>, Minghsiu Tsai <minghsiu.tsai@...iatek.com>, linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org, linux-mediatek@...ts.infradead.org Subject: [PATCH v2 2/5] [media] mtk-mdp: handle vb2_dma_contig_set_max_seg_size errors during probe This is a cleanup to better handle errors during MDP probe. Signed-off-by: eizan@...omium.org Signed-off-by: Eizan Miyamoto <eizan@...omium.org> --- 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
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