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| author | Javier Martinez Canillas <javier@osg.samsung.com> | 2016-07-20 13:07:55 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-08-24 10:08:32 -0300 |
| commit | 14150723659af133e4b205ccf6ff8d93c1384014 (patch) | |
| tree | b04971061e3608661333b15f602e6777c54f058b /drivers/media/v4l2-core | |
| parent | f223c30f1ee9d327df2761f0546c413aabe8f356 (diff) | |
| download | linux-next-14150723659af133e4b205ccf6ff8d93c1384014.tar.gz | |
[media] vb2: include lengths in dmabuf qbuf debug message
If the VIDIOC_QBUF ioctl fails due a wrong dmabuf length, it's
useful to get the invalid and minimum lengths as a debug info.
Before this patch:
vb2-core: __qbuf_dmabuf: invalid dmabuf length for plane 1
After this patch:
vb2-core: __qbuf_dmabuf: invalid dmabuf length 221248 for plane 1, minimum length 410880
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/v4l2-core')
| -rw-r--r-- | drivers/media/v4l2-core/videobuf2-core.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index ca8ffeb56d72..3d595186309a 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -1228,8 +1228,10 @@ static int __qbuf_dmabuf(struct vb2_buffer *vb, const void *pb) planes[plane].length = dbuf->size; if (planes[plane].length < vb->planes[plane].min_length) { - dprintk(1, "invalid dmabuf length for plane %d\n", - plane); + dprintk(1, "invalid dmabuf length %u for plane %d, " + "minimum length %u\n", + planes[plane].length, plane, + vb->planes[plane].min_length); dma_buf_put(dbuf); ret = -EINVAL; goto err; |