This code is commented since version 3.7. If there is no plan to
use it in future, we can remove this dead code.
Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
---
drivers/media/v4l2-core/videobuf-vmalloc.c | 20 --------------------
1 file changed, 20 deletions(-)
diff --git a/drivers/media/v4l2-core/videobuf-vmalloc.c b/drivers/media/v4l2-core/videobuf-vmalloc.c
index 45fe781..293213a 100644
--- a/drivers/media/v4l2-core/videobuf-vmalloc.c
+++ b/drivers/media/v4l2-core/videobuf-vmalloc.c
@@ -196,26 +196,6 @@ static int __videobuf_iolock(struct videobuf_queue *q,
}
dprintk(1, "vmalloc is at addr %p (%d pages)\n",
mem->vaddr, pages);
-
-#if 0
- int rc;
- /* Kernel userptr is used also by read() method. In this case,
- there's no need to remap, since data will be copied to user
- */
- if (!vb->baddr)
- return 0;
-
- /* FIXME: to properly support USERPTR, remap should occur.
- The code below won't work, since mem->vma = NULL
- */
- /* Try to remap memory */
- rc = remap_vmalloc_range(mem->vma, (void *)vb->baddr, 0);
- if (rc < 0) {
- printk(KERN_ERR "mmap: remap failed with error %d", rc);
- return -ENOMEM;
- }
-#endif
-
break;
case V4L2_MEMORY_OVERLAY:
default:
--
1.9.1
