'struct regulator_desc' is not modified in this driver.
Constifying this structure moves some data to a read-only section, so
increase overall security, especially when the structure holds some
function pointers.
On a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
3906 5808 16 9730 2602 drivers/regulator/max77826-regulator.o
After:
=====
text data bss dec hex filename
9218 496 16 9730 2602 drivers/regulator/max77826-regulator.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
--
Compile tested only
---
drivers/regulator/max77826-regulator.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/regulator/max77826-regulator.c b/drivers/regulator/max77826-regulator.c
index 5590cdf615b7..376e3110c695 100644
--- a/drivers/regulator/max77826-regulator.c
+++ b/drivers/regulator/max77826-regulator.c
@@ -153,7 +153,7 @@ enum max77826_regulators {
struct max77826_regulator_info {
struct regmap *regmap;
- struct regulator_desc *rdesc;
+ const struct regulator_desc *rdesc;
};
static const struct regmap_config max77826_regmap_config = {
@@ -187,7 +187,7 @@ static const struct regulator_ops max77826_buck_ops = {
.set_voltage_time_sel = max77826_set_voltage_time_sel,
};
-static struct regulator_desc max77826_regulators_desc[] = {
+static const struct regulator_desc max77826_regulators_desc[] = {
MAX77826_LDO(1, NMOS),
MAX77826_LDO(2, NMOS),
MAX77826_LDO(3, NMOS),
--
2.46.0
