media: videobuf2: Fix the size printk format

Since the type of parameter size is unsigned long,
it should printk by %lu, instead of %ld, fix it.

Fixes: 7952be9b ("media: drivers/media/common/videobuf2: rename from videobuf")
Signed-off-by: Dillon Min <dillon.minfei@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/common/videobuf2/videobuf2-dma-contig.c

@@ -257,7 +257,7 @@ static void *vb2_dc_alloc(struct vb2_buffer *vb,
 		ret = vb2_dc_alloc_coherent(buf);
 
 	if (ret) {
-		dev_err(dev, "dma alloc of size %ld failed\n", size);
+		dev_err(dev, "dma alloc of size %lu failed\n", size);
 		kfree(buf);
 		return ERR_PTR(-ENOMEM);
 	}
@@ -298,7 +298,7 @@ static int vb2_dc_mmap(void *buf_priv, struct vm_area_struct *vma)
 
 	vma->vm_ops->open(vma);
 
-	pr_debug("%s: mapped dma addr 0x%08lx at 0x%08lx, size %ld\n",
+	pr_debug("%s: mapped dma addr 0x%08lx at 0x%08lx, size %lu\n",
 		 __func__, (unsigned long)buf->dma_addr, vma->vm_start,
 		 buf->size);