'struct thermal_zone_device_ops' are not modified in this driver.
Constifying these structures 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
2912 1064 0 3976 f88 drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.o
After:
=====
text data bss dec hex filename
3040 936 0 3976 f88 drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
Compile tested only
---
drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c
index b08356060fb4..7bab8da8f6e6 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c
@@ -29,7 +29,7 @@ static int cxgb4_thermal_get_temp(struct thermal_zone_device *tzdev,
return 0;
}
-static struct thermal_zone_device_ops cxgb4_thermal_ops = {
+static const struct thermal_zone_device_ops cxgb4_thermal_ops = {
.get_temp = cxgb4_thermal_get_temp,
};
--
2.49.0
