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authorSouptick Joarder <jrdr.linux@gmail.com>2019-01-16 16:49:33 -0200
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-01-21 15:46:22 -0200
commit0a44baa4e9959d67b01b24a38b90dd903f89a0b6 (patch)
treee4a35058cd59907182d2786153133ca062f00ef9 /drivers/media/v4l2-core
parent07b8fd86556c64e8424f198f1b6a75ca194520f9 (diff)
media: media/v4l2-core/videobuf-vmalloc.c: Remove dead code
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@gmail.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/v4l2-core')
-rw-r--r--drivers/media/v4l2-core/videobuf-vmalloc.c20
1 files changed, 0 insertions, 20 deletions
diff --git a/drivers/media/v4l2-core/videobuf-vmalloc.c b/drivers/media/v4l2-core/videobuf-vmalloc.c
index 45fe781aeeec..293213ad9ef7 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: