'name' may still be "intel_backlight" when backlight_device_register() is
called.
In such a case, using kstrdup_const() saves a memory duplication when
dev_set_name() is called in backlight_device_register().
Use kfree_const() accordingly.
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
Compile tested only
---
drivers/gpu/drm/i915/display/intel_backlight.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_backlight.c b/drivers/gpu/drm/i915/display/intel_backlight.c
index 1946d7fb3c2e..9e4a9d4f1585 100644
--- a/drivers/gpu/drm/i915/display/intel_backlight.c
+++ b/drivers/gpu/drm/i915/display/intel_backlight.c
@@ -949,7 +949,7 @@ int intel_backlight_device_register(struct intel_connector *connector)
else
props.power = FB_BLANK_POWERDOWN;
- name = kstrdup("intel_backlight", GFP_KERNEL);
+ name = kstrdup_const("intel_backlight", GFP_KERNEL);
if (!name)
return -ENOMEM;
@@ -963,7 +963,7 @@ int intel_backlight_device_register(struct intel_connector *connector)
* compatibility. Use unique names for subsequent backlight devices as a
* fallback when the default name already exists.
*/
- kfree(name);
+ kfree_const(name);
name = kasprintf(GFP_KERNEL, "card%d-%s-backlight",
i915->drm.primary->index, connector->base.name);
if (!name)
@@ -987,7 +987,7 @@ int intel_backlight_device_register(struct intel_connector *connector)
connector->base.base.id, connector->base.name, name);
out:
- kfree(name);
+ kfree_const(name);
return ret;
}
--
2.43.2
