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Diffstat (limited to 'kernel/power/user.c')
-rw-r--r--kernel/power/user.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/power/user.c b/kernel/power/user.c
index 3a4e70366f35..4401cfe26e5c 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -278,7 +278,9 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd,
if (data->frozen)
break;
- ksys_sync_helper();
+ error = pm_sleep_fs_sync();
+ if (error)
+ break;
error = freeze_processes();
if (error)
@@ -317,7 +319,9 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd,
break;
case SNAPSHOT_ATOMIC_RESTORE:
- snapshot_write_finalize(&data->handle);
+ error = snapshot_write_finalize(&data->handle);
+ if (error)
+ break;
if (data->mode != O_WRONLY || !data->frozen ||
!snapshot_image_loaded(&data->handle)) {
error = -EPERM;
@@ -445,7 +449,6 @@ static const struct file_operations snapshot_fops = {
.release = snapshot_release,
.read = snapshot_read,
.write = snapshot_write,
- .llseek = no_llseek,
.unlocked_ioctl = snapshot_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = snapshot_compat_ioctl,