diff options
Diffstat (limited to 'kernel/power')
| -rw-r--r-- | kernel/power/main.c | 6 | ||||
| -rw-r--r-- | kernel/power/user.c | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/kernel/power/main.c b/kernel/power/main.c index 8812985f3029..fc45ed22620f 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -15,7 +15,6 @@ #include <linux/delay.h> #include <linux/errno.h> #include <linux/init.h> -#include <linux/pm.h> #include <linux/console.h> #include <linux/cpu.h> #include <linux/resume-trace.h> @@ -97,6 +96,11 @@ static int suspend_prepare(suspend_state_t state) } } + if (pm_ops->set_target) { + error = pm_ops->set_target(state); + if (error) + goto Thaw; + } suspend_console(); error = device_suspend(PMSG_SUSPEND); if (error) { diff --git a/kernel/power/user.c b/kernel/power/user.c index 24d7d78e6f42..d65305b515b1 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -99,6 +99,8 @@ static ssize_t snapshot_read(struct file *filp, char __user *buf, ssize_t res; data = filp->private_data; + if (!data->ready) + return -ENODATA; res = snapshot_read_next(&data->handle, count); if (res > 0) { if (copy_to_user(buf, data_of(data->handle), res)) @@ -245,7 +247,7 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp, break; case SNAPSHOT_UNFREEZE: - if (!data->frozen) + if (!data->frozen || data->ready) break; mutex_lock(&pm_mutex); thaw_processes(); |
