'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 4419 2512 0 6931 1b13 drivers/regulator/wm8400-regulator.o After: ===== text data bss dec hex filename 6307 624 0 6931 1b13 drivers/regulator/wm8400-regulator.o Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> -- Compile tested only --- drivers/regulator/wm8400-regulator.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c index c4a229f66dec..fb3ca7956d00 100644 --- a/drivers/regulator/wm8400-regulator.c +++ b/drivers/regulator/wm8400-regulator.c @@ -112,7 +112,7 @@ static const struct regulator_ops wm8400_dcdc_ops = { .get_optimum_mode = wm8400_dcdc_get_optimum_mode, }; -static struct regulator_desc regulators[] = { +static const struct regulator_desc regulators[] = { { .name = "LDO1", .id = WM8400_LDO1, -- 2.46.0