summaryrefslogtreecommitdiffstats
path: root/kernel/power/user.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/power/user.c')
-rw-r--r--kernel/power/user.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/power/user.c b/kernel/power/user.c
index 6336816..72e8f4f 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -201,6 +201,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd,
if (!mutex_trylock(&pm_mutex))
return -EBUSY;
+ lock_device_hotplug();
data = filp->private_data;
switch (cmd) {
@@ -373,6 +374,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd,
}
+ unlock_device_hotplug();
mutex_unlock(&pm_mutex);
return error;
OpenPOWER on IntegriCloud