V4L/DVB: v4l videobuf: remove mmap_free callback

Remove the mmap_free callback from struct videobuf_qtype_ops.

All implementations of this callback do the same trivial check: return
-EBUSY if any buffer is mmapped. That can also be tested in the
videobuf core.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/include/media/videobuf-core.h b/include/media/videobuf-core.h
index 3896e29a652d..345ec5a45c55 100644
--- a/include/media/videobuf-core.h
+++ b/include/media/videobuf-core.h
@@ -144,7 +144,6 @@ struct videobuf_qtype_ops {
                                  size_t pos,
                                  int vbihack,
                                  int nonblocking);
-        int (*mmap_free)        (struct videobuf_queue *q);
         int (*mmap_mapper)      (struct videobuf_queue *q,
                                 struct vm_area_struct *vma);
 };