diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2024-01-05 16:45:11 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-01-12 17:38:23 +0300 |
| commit | 57a427c81c322c5f0cdfe7c46cdee553d18b1ec6 (patch) | |
| tree | 88d3197697a363d90f266346802eaf0778660fda /drivers/thermal | |
| parent | 7ef01f228c9f54c6260319858be138a8a7e9e704 (diff) | |
| download | linux-57a427c81c322c5f0cdfe7c46cdee553d18b1ec6.tar.xz | |
thermal: core: Use kstrdup_const() during cooling device registration
Some *thermal_cooling_device_register() calls pass a string literal as
the 'type' parameter, so kstrdup_const() can be used instead of
kstrdup() to avoid a memory allocation in such cases.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/thermal_core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index abf4c2390b19..dfaa6341694a 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -845,7 +845,7 @@ static void thermal_release(struct device *dev) sizeof("cooling_device") - 1)) { cdev = to_cooling_device(dev); thermal_cooling_device_destroy_sysfs(cdev); - kfree(cdev->type); + kfree_const(cdev->type); ida_free(&thermal_cdev_ida, cdev->id); kfree(cdev); } @@ -917,7 +917,7 @@ __thermal_cooling_device_register(struct device_node *np, cdev->id = ret; id = ret; - cdev->type = kstrdup(type ? type : "", GFP_KERNEL); + cdev->type = kstrdup_const(type ? type : "", GFP_KERNEL); if (!cdev->type) { ret = -ENOMEM; goto out_ida_remove; @@ -970,7 +970,7 @@ __thermal_cooling_device_register(struct device_node *np, out_cooling_dev: thermal_cooling_device_destroy_sysfs(cdev); out_cdev_type: - kfree(cdev->type); + kfree_const(cdev->type); out_ida_remove: ida_free(&thermal_cdev_ida, id); out_kfree_cdev: |