[media] videobuf-dma-contig: Use NULL instead of plain integer
Fixes the following sparse warning:
drivers/media/video/videobuf-dma-contig.c:59:46:
warning: Using plain integer as NULL pointer
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/videobuf-dma-contig.c b/drivers/media/video/videobuf-dma-contig.c
index f682846..3a43ba0 100644
--- a/drivers/media/video/videobuf-dma-contig.c
+++ b/drivers/media/video/videobuf-dma-contig.c
@@ -56,7 +56,7 @@
dev_err(dev, "dma_map_single failed\n");
free_pages_exact(mem->vaddr, mem->size);
- mem->vaddr = 0;
+ mem->vaddr = NULL;
return err;
}
}