iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

tee: tee_shm: Constify dma_buf_ops structures.

Browse Source 
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
   2026	    112	      0	   2138	    85a	drivers/tee/tee_shm.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
   2138	      0	      0	   2138	    85a	drivers/tee/tee_shm.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
This commit is contained in:
Arvind Yadav 2017-07-01 17:56:06 +05:30 committed by Jens Wiklander
parent 999616b853
commit 53e3ca5cee
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/tee/tee_shm.c
View File

@ -80,7 +80,7 @@ static int tee_shm_op_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
size, vma->vm_page_prot);
}
static struct dma_buf_ops tee_shm_dma_buf_ops = {
static const struct dma_buf_ops tee_shm_dma_buf_ops = {
.map_dma_buf = tee_shm_op_map_dma_buf,
.unmap_dma_buf = tee_shm_op_unmap_dma_buf,
.release = tee_shm_op_release,