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authorSakari Ailus <sakari.ailus@linux.intel.com>2016-04-03 16:15:00 -0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-05-04 14:48:50 -0700
commit3a4b3d187dba0255cbbb749f64c3b71f8105f44f (patch)
tree0ebb1d3ea387e264e6baf9d2592d2e4702b8da41 /include/media
parent4a1bb501e4b65908b102f0b371b0621ff18ad5c3 (diff)
videobuf2-core: Check user space planes array in dqbuf
commit e7e0c3e26587749b62d17b9dd0532874186c77f7 upstream. The number of planes in videobuf2 is specific to a buffer. In order to verify that the planes array provided by the user is long enough, a new vb2_buf_op is required. Call __verify_planes_array() when the dequeued buffer is known. Return an error to the caller if there was one, otherwise remove the buffer from the done list. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/media')
-rw-r--r--include/media/videobuf2-core.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 647ebfe5174f..d4227a8a2a23 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -363,6 +363,7 @@ struct vb2_ops {
};
struct vb2_buf_ops {
+ int (*verify_planes_array)(struct vb2_buffer *vb, const void *pb);
int (*fill_user_buffer)(struct vb2_buffer *vb, void *pb);
int (*fill_vb2_buffer)(struct vb2_buffer *vb, const void *pb,
struct vb2_plane *planes);