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drm/udl: dma-buf: Constify dma_buf_ops structures. 

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@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/cb4dfac90e85e2270779331f8cb10b635042bad7.1498912415.git.arvind.yadav.cs@gmail.com
This commit is contained in:
Arvind Yadav 2017-07-01 18:06:46 +05:30 committed by Daniel Vetter
parent 8a63ca58f8
commit 7b4e1eaa9d
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/udl/udl_dmabuf.c
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@ -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,