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media: ti: cal: Constify struct media_entity_operations

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'struct media_entity_operations' is not modified in this driver.

Constifying this structure moves some data to a read-only section, so
increase overall security.

On a x86_64, with allmodconfig, as an example:
Before:
======
   text	   data	    bss	    dec	    hex	filename
  20694	   1394	     32	  22120	   5668	drivers/media/platform/ti/cal/cal-camerarx.o

After:
=====
   text	   data	    bss	    dec	    hex	filename
  20726	   1362	     32	  22120	   5668	drivers/media/platform/ti/cal/cal-camerarx.o

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Christophe JAILLET 2024-06-24 06:40:38 +02:00 committed by Hans Verkuil
parent 0554e280c5
commit d66f9b2a47
1 changed files with 1 additions and 1 deletions
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2
drivers/media/platform/ti/cal/cal-camerarx.c
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@ -798,7 +798,7 @@ static const struct v4l2_subdev_internal_ops cal_camerarx_internal_ops = {
.init_state = cal_camerarx_sd_init_state,
};
static struct media_entity_operations cal_camerarx_media_ops = {
static const struct media_entity_operations cal_camerarx_media_ops = {
.link_validate = v4l2_subdev_link_validate,
};