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'struct tunertype', 'struct tuner_range' and 'struct tuner_params' are not modified in this driver. Constifying these structures moves some data to a read-only section, so increase overall security. On a x86_64, with allmodconfig: Before: ====== 2877 8554 0 11431 2ca7 drivers/media/tuners/tuner-types.o After: ===== text data bss dec hex filename 11421 48 0 11469 2ccd drivers/media/tuners/tuner-types.o Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>