From: Christophe JAILLET Date: Fri, 23 Feb 2024 17:09:28 +0000 (+0100) Subject: drm/i915/display: Save a few bytes of memory in intel_backlight_device_register() X-Git-Tag: v6.10-rc1~148^2~20^2~200 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=379b63e7e682;p=thirdparty%2Flinux.git drm/i915/display: Save a few bytes of memory in intel_backlight_device_register() '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 Reviewed-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/ecfdb3af5005e05131e2fb93fd870830f39a8c29.1708708142.git.christophe.jaillet@wanadoo.fr Signed-off-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/display/intel_backlight.c b/drivers/gpu/drm/i915/display/intel_backlight.c index 1946d7fb3c2e5..9e4a9d4f1585b 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; }