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path: root/drivers/media/video/videobuf-dma-sg.c
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Diffstat (limited to 'drivers/media/video/videobuf-dma-sg.c')
-rw-r--r--drivers/media/video/videobuf-dma-sg.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c
index 1a7f3d3d2f99..f733833a021e 100644
--- a/drivers/media/video/videobuf-dma-sg.c
+++ b/drivers/media/video/videobuf-dma-sg.c
@@ -554,7 +554,7 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q,
554{ 554{
555 struct videobuf_dma_sg_memory *mem = buf->priv; 555 struct videobuf_dma_sg_memory *mem = buf->priv;
556 struct videobuf_mapping *map; 556 struct videobuf_mapping *map;
557 unsigned int first, last, size, i; 557 unsigned int first, last, size = 0, i;
558 int retval; 558 int retval;
559 559
560 retval = -EINVAL; 560 retval = -EINVAL;
@@ -579,7 +579,7 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q,
579 } 579 }
580 580
581 /* paranoia, should never happen since buf is always valid. */ 581 /* paranoia, should never happen since buf is always valid. */
582 if (VIDEO_MAX_FRAME == first) { 582 if (!size) {
583 dprintk(1, "mmap app bug: offset invalid [offset=0x%lx]\n", 583 dprintk(1, "mmap app bug: offset invalid [offset=0x%lx]\n",
584 (vma->vm_pgoff << PAGE_SHIFT)); 584 (vma->vm_pgoff << PAGE_SHIFT));
585 goto done; 585 goto done;