dma_buf_ops are not supposed to change at runtime. All functions
working with dma_buf_ops provided by <linux/dma-buf.h> work with
const dma_buf_ops. So mark the non-const structs as const.
File size before:
text data bss dec hex filename
2002 112 0 2114 842 drivers/gpu/drm/udl/udl_dmabuf.o
File size After adding 'const':
text data bss dec hex filename
2114 0 0 2114 842 drivers/gpu/drm/udl/udl_dmabuf.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/gpu/drm/udl/udl_dmabuf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/udl/udl_dmabuf.c b/drivers/gpu/drm/udl/udl_dmabuf.c
index ed0e636..61a5a5f 100644
--- a/drivers/gpu/drm/udl/udl_dmabuf.c
+++ b/drivers/gpu/drm/udl/udl_dmabuf.c
@@ -186,7 +186,7 @@ static int udl_dmabuf_mmap(struct dma_buf *dma_buf,
return -EINVAL;
}
-static struct dma_buf_ops udl_dmabuf_ops = {
+static const struct dma_buf_ops udl_dmabuf_ops = {
.attach = udl_attach_dma_buf,
.detach = udl_detach_dma_buf,
.map_dma_buf = udl_map_dma_buf,
--
2.7.4
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