[PATCH 5.16 0278/1017] media: staging: media: zoran: fix usage of vb2_dma_contig_set_max_seg_size

Greg Kroah-Hartman
2022-04-05T12:16:34Z

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 f259585b0689..c578ef3c32f5 100644
--- a/drivers/staging/media/zoran/zoran_card.c
+++ b/drivers/staging/media/zoran/zoran_card.c
@@ -1069,8 +1069,10 @@ 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