diff options
author | Hans Verkuil <hverkuil@xs4all.nl> | 2010-03-28 07:54:29 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-05-19 12:57:50 -0300 |
commit | 53aaf07637baae8f53c33b803bbc96047d8da1c4 (patch) | |
tree | e620ce3c28dae607e34a2b6bea0e4c0edc3cff4e /drivers/media/video/videobuf-dma-contig.c | |
parent | 33435167e6dc9e23a97a494cec6b8ca47f8ded75 (diff) |
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>
Diffstat (limited to 'drivers/media/video/videobuf-dma-contig.c')
-rw-r--r-- | drivers/media/video/videobuf-dma-contig.c | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/drivers/media/video/videobuf-dma-contig.c b/drivers/media/video/videobuf-dma-contig.c index dce4f3aa4af..0a32cf810c8 100644 --- a/drivers/media/video/videobuf-dma-contig.c +++ b/drivers/media/video/videobuf-dma-contig.c @@ -263,19 +263,6 @@ static int __videobuf_iolock(struct videobuf_queue *q, return 0; } -static int __videobuf_mmap_free(struct videobuf_queue *q) -{ - unsigned int i; - - dev_dbg(q->dev, "%s\n", __func__); - for (i = 0; i < VIDEO_MAX_FRAME; i++) { - if (q->bufs[i] && q->bufs[i]->map) - return -EBUSY; - } - - return 0; -} - static int __videobuf_mmap_mapper(struct videobuf_queue *q, struct vm_area_struct *vma) { @@ -424,7 +411,6 @@ static struct videobuf_qtype_ops qops = { .alloc = __videobuf_alloc, .iolock = __videobuf_iolock, - .mmap_free = __videobuf_mmap_free, .mmap_mapper = __videobuf_mmap_mapper, .video_copy_to_user = __videobuf_copy_to_user, .copy_stream = __videobuf_copy_stream, |