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-rw-r--r--drivers/media/common/videobuf2/videobuf2-core.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c
index 3cf25abf5807..cfccee87909a 100644
--- a/drivers/media/common/videobuf2/videobuf2-core.c
+++ b/drivers/media/common/videobuf2/videobuf2-core.c
@@ -207,6 +207,10 @@ static int __vb2_buf_mem_alloc(struct vb2_buffer *vb)
for (plane = 0; plane < vb->num_planes; ++plane) {
unsigned long size = PAGE_ALIGN(vb->planes[plane].length);
+ /* Did it wrap around? */
+ if (size < vb->planes[plane].length)
+ goto free;
+
mem_priv = call_ptr_memop(vb, alloc,
q->alloc_devs[plane] ? : q->dev,
q->dma_attrs, size, q->dma_dir, q->gfp_flags);