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path: root/drivers/media/video/videobuf-vmalloc.c
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Diffstat (limited to 'drivers/media/video/videobuf-vmalloc.c')
-rw-r--r--drivers/media/video/videobuf-vmalloc.c51
1 files changed, 0 insertions, 51 deletions
diff --git a/drivers/media/video/videobuf-vmalloc.c b/drivers/media/video/videobuf-vmalloc.c
index 6db412abeacd..ad655839827b 100644
--- a/drivers/media/video/videobuf-vmalloc.c
+++ b/drivers/media/video/videobuf-vmalloc.c
@@ -315,55 +315,6 @@ error:
return -ENOMEM;
}
-static int __videobuf_copy_to_user(struct videobuf_queue *q,
- char __user *data, size_t count,
- int nonblocking)
-{
- struct videobuf_vmalloc_memory *mem = q->read_buf->priv;
- BUG_ON(!mem);
- MAGIC_CHECK(mem->magic, MAGIC_VMAL_MEM);
-
- BUG_ON(!mem->vmalloc);
-
- /* copy to userspace */
- if (count > q->read_buf->size - q->read_off)
- count = q->read_buf->size - q->read_off;
-
- if (copy_to_user(data, mem->vmalloc+q->read_off, count))
- return -EFAULT;
-
- return count;
-}
-
-static int __videobuf_copy_stream(struct videobuf_queue *q,
- char __user *data, size_t count, size_t pos,
- int vbihack, int nonblocking)
-{
- unsigned int *fc;
- struct videobuf_vmalloc_memory *mem = q->read_buf->priv;
- BUG_ON(!mem);
- MAGIC_CHECK(mem->magic, MAGIC_VMAL_MEM);
-
- if (vbihack) {
- /* dirty, undocumented hack -- pass the frame counter
- * within the last four bytes of each vbi data block.
- * We need that one to maintain backward compatibility
- * to all vbi decoding software out there ... */
- fc = (unsigned int *)mem->vmalloc;
- fc += (q->read_buf->size >> 2) - 1;
- *fc = q->read_buf->field_count >> 1;
- dprintk(1, "vbihack: %d\n", *fc);
- }
-
- /* copy stuff using the common method */
- count = __videobuf_copy_to_user(q, data, count, nonblocking);
-
- if ((count == -EFAULT) && (0 == pos))
- return -EFAULT;
-
- return count;
-}
-
static struct videobuf_qtype_ops qops = {
.magic = MAGIC_QTYPE_OPS,
@@ -371,8 +322,6 @@ static struct videobuf_qtype_ops qops = {
.iolock = __videobuf_iolock,
.sync = __videobuf_sync,
.mmap_mapper = __videobuf_mmap_mapper,
- .video_copy_to_user = __videobuf_copy_to_user,
- .copy_stream = __videobuf_copy_stream,
.vaddr = videobuf_to_vmalloc,
};