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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, kernel test robot <lkp@intel.com>,
        Corentin Labbe <clabbe@baylibre.com>,
        Hans Verkuil <hverkuil-cisco@xs4all.nl>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.10 187/599] media: staging: media: zoran: fix usage of vb2_dma_contig_set_max_seg_size
Date:   Tue,  5 Apr 2022 09:28:01 +0200
Message-Id: <20220405070304.406826520@linuxfoundation.org>
In-Reply-To: <20220405070258.802373272@linuxfoundation.org>
References: <20220405070258.802373272@linuxfoundation.org>
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From: Corentin Labbe <clabbe@baylibre.com>

[ Upstream commit 241f5b67fb48def58643f279dfb8468bdd54b443 ]

vb2_dma_contig_set_max_seg_size need to have a size in parameter and not
a DMA_BIT_MASK().
While fixing this issue, also fix error handling of all DMA size
setting.

Reported-by: kernel test robot <lkp@intel.com>
Fixes: d4ae3689226e5 ("media: zoran: device support only 32bit DMA address")
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/staging/media/zoran/zoran_card.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/media/zoran/zoran_card.c b/drivers/staging/media/zoran/zoran_card.c
index dfc60e2e9dd7..721f1decb0a7 100644
--- a/drivers/staging/media/zoran/zoran_card.c
+++ b/drivers/staging/media/zoran/zoran_card.c
@@ -1068,8 +1068,10 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
 	if (err)
-		return -ENODEV;
-	vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
+		return err;
+	err = vb2_dma_contig_set_max_seg_size(&pdev->dev, U32_MAX);
+	if (err)
+		return err;
 
 	nr = zoran_num++;
 	if (nr >= BUZ_MAX) {
-- 
2.34.1