diff options
Diffstat (limited to 'kernel/power/console.c')
| -rw-r--r-- | kernel/power/console.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/power/console.c b/kernel/power/console.c index 19c48aa5355d..a906a0ac0f9b 100644 --- a/kernel/power/console.c +++ b/kernel/power/console.c @@ -44,9 +44,10 @@ static LIST_HEAD(pm_vt_switch_list); * no_console_suspend argument has been passed on the command line, VT * switches will occur. */ -void pm_vt_switch_required(struct device *dev, bool required) +int pm_vt_switch_required(struct device *dev, bool required) { struct pm_vt_switch *entry, *tmp; + int ret = 0; mutex_lock(&vt_switch_mutex); list_for_each_entry(tmp, &pm_vt_switch_list, head) { @@ -58,8 +59,10 @@ void pm_vt_switch_required(struct device *dev, bool required) } entry = kmalloc(sizeof(*entry), GFP_KERNEL); - if (!entry) + if (!entry) { + ret = -ENOMEM; goto out; + } entry->required = required; entry->dev = dev; @@ -67,6 +70,7 @@ void pm_vt_switch_required(struct device *dev, bool required) list_add(&entry->head, &pm_vt_switch_list); out: mutex_unlock(&vt_switch_mutex); + return ret; } EXPORT_SYMBOL(pm_vt_switch_required); |