media: vb2 dma-sg: Constify dma_buf_ops structures

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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
   5238	    112	      4	   5354	   14ea drivers/media/v4l2-core/videobuf2-dma-sg.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
   5358	      0	      4	   5362	   14f2 drivers/media/v4l2-core/videobuf2-dma-sg.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

...

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Arvind Yadav 2017-07-01 08:18:24 -04:00 • committed by Mauro Carvalho Chehab

parent 59310b7a06

commit efaf515f0d

1 changed files with 1 additions and 1 deletions

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drivers/media/v4l2-core/videobuf2-dma-sg.c

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