'struct regulator_desc' is not modified in this driver. Constifying this structure moves some data to a read-only section, so increases overall security, especially when the structure holds some function pointers. On a x86_64, with allmodconfig: Before: ====== text data bss dec hex filename 4974 736 16 5726 165e drivers/regulator/tps6287x-regulator.o After: ===== text data bss dec hex filename 5294 416 16 5726 165e drivers/regulator/tps6287x-regulator.o Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> -- Compile tested only --- drivers/regulator/tps6287x-regulator.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/regulator/tps6287x-regulator.c b/drivers/regulator/tps6287x-regulator.c index 7a0551f0c8c0..97f5ce138548 100644 --- a/drivers/regulator/tps6287x-regulator.c +++ b/drivers/regulator/tps6287x-regulator.c @@ -103,7 +103,7 @@ static const struct regulator_ops tps6287x_regulator_ops = { .set_ramp_delay = regulator_set_ramp_delay_regmap, }; -static struct regulator_desc tps6287x_reg = { +static const struct regulator_desc tps6287x_reg = { .name = "tps6287x", .owner = THIS_MODULE, .ops = &tps6287x_regulator_ops, -- 2.46.0