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[media] m2m-deinterlace: don't return zero on failure paths in deinterlace_probe() 

If DMA does not support INTERLEAVE, deinterlace_probe() breaks off
initialization, releases dma channel, but returns zero.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Alexey Khoroshilov 2017-04-07 20:09:17 -03:00 committed by Mauro Carvalho Chehab
parent 9d826ce812
commit 4130927144
1 changed files with 1 additions and 0 deletions
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1
drivers/media/platform/m2m-deinterlace.c
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@ -1017,6 +1017,7 @@ static int deinterlace_probe(struct platform_device *pdev)
if (!dma_has_cap(DMA_INTERLEAVE, pcdev->dma_chan->device->cap_mask)) {
dev_err(&pdev->dev, "DMA does not support INTERLEAVE\n");
ret = -ENODEV;
goto rel_dma;
}