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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>
This commit is contained in:
Souptick Joarder 2019-01-16 16:49:33 -02:00 committed by Mauro Carvalho Chehab
parent 07b8fd8655
commit 0a44baa4e9
1 changed files with 0 additions and 20 deletions
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20
drivers/media/v4l2-core/videobuf-vmalloc.c
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@ -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: