X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fvideobuf-dma-sg.c;h=9d520601c70fcc383f288c9976cbf0a57c858315;hb=08af245de0cf6ab5f4ed008ee2bb99273774fce0;hp=20f227ee2b3e63cf58d10ef621665a4df18764fd;hpb=c0caf7bcbfedb3f79ccec759b221bfef0646ada3;p=pandora-kernel.git

diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c
index 20f227ee2b3e..9d520601c70f 100644
--- a/drivers/media/video/videobuf-dma-sg.c
+++ b/drivers/media/video/videobuf-dma-sg.c
@@ -69,10 +69,9 @@ static struct scatterlist *videobuf_vmalloc_to_sg(unsigned char *virt,
 	struct page *pg;
 	int i;
 
-	sglist = vmalloc(nr_pages * sizeof(*sglist));
+	sglist = vzalloc(nr_pages * sizeof(*sglist));
 	if (NULL == sglist)
 		return NULL;
-	memset(sglist, 0, nr_pages * sizeof(*sglist));
 	sg_init_table(sglist, nr_pages);
 	for (i = 0; i < nr_pages; i++, virt += PAGE_SIZE) {
 		pg = vmalloc_to_page(virt);
@@ -571,29 +570,6 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q,
 	}
 
 	last = first;
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-	if (size != (vma->vm_end - vma->vm_start)) {
-		/* look for last buffer to map */
-		for (last = first + 1; last < VIDEO_MAX_FRAME; last++) {
-			if (NULL == q->bufs[last])
-				continue;
-			if (V4L2_MEMORY_MMAP != q->bufs[last]->memory)
-				continue;
-			if (q->bufs[last]->map) {
-				retval = -EBUSY;
-				goto done;
-			}
-			size += PAGE_ALIGN(q->bufs[last]->bsize);
-			if (size == (vma->vm_end - vma->vm_start))
-				break;
-		}
-		if (VIDEO_MAX_FRAME == last) {
-			dprintk(1, "mmap app bug: size invalid [size=0x%lx]\n",
-					(vma->vm_end - vma->vm_start));
-			goto done;
-		}
-	}
-#endif
 
 	/* create mapping + update buffer list */
 	retval = -ENOMEM;