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Thermal control fix for 6.2-rc5

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Modify __thermal_cooling_device_register() to make it call
 put_device() after invoking device_register() and fix up a few
 error paths calling thermal_cooling_device_destroy_sysfs()
 unnecessarily (Viresh Kumar).
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Merge tag 'thermal-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control fix from Rafael Wysocki:
 "Modify __thermal_cooling_device_register() to make it call
  put_device() after invoking device_register() and fix up a few error
  paths calling thermal_cooling_device_destroy_sysfs() unnecessarily
  (Viresh Kumar)"

* tag 'thermal-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  thermal: core: call put_device() only after device_register() fails
This commit is contained in:
Linus Torvalds 2023-01-20 11:14:41 -08:00
commit dc18175938
1 changed files with 10 additions and 3 deletions
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13
drivers/thermal/thermal_core.c
View file

@ -909,15 +909,20 @@ __thermal_cooling_device_register(struct device_node *np,
cdev->devdata = devdata;
ret = cdev->ops->get_max_state(cdev, &cdev->max_state);
if (ret)
goto out_kfree_type;
if (ret) {
kfree(cdev->type);
goto out_ida_remove;
}
thermal_cooling_device_setup_sysfs(cdev);
ret = dev_set_name(&cdev->device, "cooling_device%d", cdev->id);
if (ret) {
kfree(cdev->type);
thermal_cooling_device_destroy_sysfs(cdev);
goto out_kfree_type;
goto out_ida_remove;
}
ret = device_register(&cdev->device);
if (ret)
goto out_kfree_type;
@ -943,6 +948,8 @@ __thermal_cooling_device_register(struct device_node *np,
thermal_cooling_device_destroy_sysfs(cdev);
kfree(cdev->type);
put_device(&cdev->device);
/* thermal_release() takes care of the rest */
cdev = NULL;
out_ida_remove:
ida_free(&thermal_cdev_ida, id);