summaryrefslogtreecommitdiff
path: root/kernel/power/console.c
diff options
context:
space:
mode:
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-11-20 22:28:23 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-11-20 22:28:23 +0100
commita857b530b355a9f2ded091b762207967a9a019f5 (patch)
tree07732f6d5245c2f47663dd7c8eda8d41519c0b2b /kernel/power/console.c
parentf384497a76ed9539f70f6e8fe81a193441c943d2 (diff)
parent46fc75a29b7034d1971afcbdf47b88926a46b1ea (diff)
Merge back material related to system sleep for 6.19
Diffstat (limited to 'kernel/power/console.c')
-rw-r--r--kernel/power/console.c8
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);