media: vb2-dma-contig: fix sizeof(pointer) allocation

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Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
---

 drivers/media/v4l2-core/videobuf2-dma-contig.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/media/v4l2-core/videobuf2-dma-contig.c
+++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c
@@ -749,7 +749,7 @@ EXPORT_SYMBOL_GPL(vb2_dma_contig_memops);
 int vb2_dma_contig_set_max_seg_size(struct device *dev, unsigned int size)
 {
 	if (!dev->dma_parms) {
-		dev->dma_parms = kzalloc(sizeof(dev->dma_parms), GFP_KERNEL);
+		dev->dma_parms = kzalloc(sizeof(*dev->dma_parms), GFP_KERNEL);
 		if (!dev->dma_parms)
 			return -ENOMEM;
 	}
--
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