Messages in this thread Patch in this message | | | Date | Thu, 17 Jan 2019 00:19:33 +0530 | From | Souptick Joarder <> | Subject | [PATCH] media/v4l2-core/videobuf-vmalloc.c: Remove dead code |
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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> --- 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
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