'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>