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 <[email protected]>
---
drivers/media/platform/m2m-deinterlace.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/platform/m2m-deinterlace.c b/drivers/media/platform/m2m-deinterlace.c
index bedc7cc4c7d6..980066b8d32a 100644
--- a/drivers/media/platform/m2m-deinterlace.c
+++ b/drivers/media/platform/m2m-deinterlace.c
@@ -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;
}
--
2.7.4