diff options
Diffstat (limited to 'drivers/acpi/platform_profile.c')
| -rw-r--r-- | drivers/acpi/platform_profile.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c index 45ffd85a71dd..9729543df633 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -184,32 +184,26 @@ int platform_profile_register(struct platform_profile_handler *pprof) return -EINVAL; } - mutex_lock(&profile_lock); + guard(mutex)(&profile_lock); /* We can only have one active profile */ - if (cur_profile) { - mutex_unlock(&profile_lock); + if (cur_profile) return -EEXIST; - } err = sysfs_create_group(acpi_kobj, &platform_profile_group); - if (err) { - mutex_unlock(&profile_lock); + if (err) return err; - } cur_profile = pprof; - mutex_unlock(&profile_lock); return 0; } EXPORT_SYMBOL_GPL(platform_profile_register); int platform_profile_remove(struct platform_profile_handler *pprof) { - sysfs_remove_group(acpi_kobj, &platform_profile_group); + guard(mutex)(&profile_lock); - mutex_lock(&profile_lock); + sysfs_remove_group(acpi_kobj, &platform_profile_group); cur_profile = NULL; - mutex_unlock(&profile_lock); return 0; } EXPORT_SYMBOL_GPL(platform_profile_remove); |