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-core.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-core.c')
| -rw-r--r-- | drivers/media/video/videobuf-core.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/media/video/videobuf-core.c b/drivers/media/video/videobuf-core.c index 63d7043502d..52bb74b18a6 100644 --- a/drivers/media/video/videobuf-core.c +++ b/drivers/media/video/videobuf-core.c @@ -311,20 +311,18 @@ static void videobuf_status(struct videobuf_queue *q, struct v4l2_buffer *b, static int __videobuf_mmap_free(struct videobuf_queue *q) { int i; - int rc; if (!q) return 0; MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS); - rc = CALL(q, mmap_free, q); + for (i = 0; i < VIDEO_MAX_FRAME; i++) + if (q->bufs[i] && q->bufs[i]->map) + return -EBUSY; q->is_mmapped = 0; - if (rc < 0) - return rc; - for (i = 0; i < VIDEO_MAX_FRAME; i++) { if (NULL == q->bufs[i]) continue; @@ -333,7 +331,7 @@ static int __videobuf_mmap_free(struct videobuf_queue *q) q->bufs[i] = NULL; } - return rc; + return 0; } int videobuf_mmap_free(struct videobuf_queue *q) |