diff options
| author | Alexey Khoroshilov <khoroshilov@ispras.ru> | 2017-04-08 02:09:17 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-04-10 20:43:31 +0300 |
| commit | 41309271448e559afe208f1e89d4d30b83259678 (patch) | |
| tree | 45aa724327abc22a8afa55b8add88bdcb1db0af0 /drivers/media/platform | |
| parent | 9d826ce8122fc634c1b67bc6f8985ccfbd565d86 (diff) | |
| download | linux-41309271448e559afe208f1e89d4d30b83259678.tar.xz | |
[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>
Diffstat (limited to 'drivers/media/platform')
| -rw-r--r-- | drivers/media/platform/m2m-deinterlace.c | 1 |
1 files changed, 1 insertions, 0 deletions
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; } |