diff options
Diffstat (limited to 'kernel/power')
| -rw-r--r-- | kernel/power/hibernate.c | 22 | ||||
| -rw-r--r-- | kernel/power/main.c | 4 | ||||
| -rw-r--r-- | kernel/power/power.h | 2 | ||||
| -rw-r--r-- | kernel/power/snapshot.c | 2 | ||||
| -rw-r--r-- | kernel/power/suspend.c | 2 | ||||
| -rw-r--r-- | kernel/power/wakelock.c | 2 |
6 files changed, 20 insertions, 14 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 37170d4dd9a6..f4f2073711d3 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -973,16 +973,20 @@ static ssize_t resume_show(struct kobject *kobj, struct kobj_attribute *attr, static ssize_t resume_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t n) { - unsigned int maj, min; dev_t res; - int ret = -EINVAL; + int len = n; + char *name; - if (sscanf(buf, "%u:%u", &maj, &min) != 2) - goto out; + if (len && buf[len-1] == '\n') + len--; + name = kstrndup(buf, len, GFP_KERNEL); + if (!name) + return -ENOMEM; - res = MKDEV(maj,min); - if (maj != MAJOR(res) || min != MINOR(res)) - goto out; + res = name_to_dev_t(name); + kfree(name); + if (!res) + return -EINVAL; lock_system_sleep(); swsusp_resume_device = res; @@ -990,9 +994,7 @@ static ssize_t resume_store(struct kobject *kobj, struct kobj_attribute *attr, printk(KERN_INFO "PM: Starting manual resume from disk\n"); noresume = 0; software_resume(); - ret = n; - out: - return ret; + return n; } power_attr(resume); diff --git a/kernel/power/main.c b/kernel/power/main.c index 1d1bf630e6e9..6271bc4073ef 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -282,8 +282,8 @@ struct kobject *power_kobj; * state - control system power state. * * show() returns what states are supported, which is hard-coded to - * 'standby' (Power-On Suspend), 'mem' (Suspend-to-RAM), and - * 'disk' (Suspend-to-Disk). + * 'freeze' (Low-Power Idle), 'standby' (Power-On Suspend), + * 'mem' (Suspend-to-RAM), and 'disk' (Suspend-to-Disk). * * store() accepts one of those strings, translates it into the * proper enumerated value, and initiates a suspend transition. diff --git a/kernel/power/power.h b/kernel/power/power.h index 7d4b7ffb3c1d..1ca753106557 100644 --- a/kernel/power/power.h +++ b/kernel/power/power.h @@ -49,6 +49,8 @@ static inline char *check_image_kernel(struct swsusp_info *info) */ #define SPARE_PAGES ((1024 * 1024) >> PAGE_SHIFT) +asmlinkage int swsusp_save(void); + /* kernel/power/hibernate.c */ extern bool freezer_test_done; diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index d9f61a145802..149e745eaa52 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -1268,7 +1268,7 @@ static void free_unnecessary_pages(void) * [number of saveable pages] - [number of pages that can be freed in theory] * * where the second term is the sum of (1) reclaimable slab pages, (2) active - * and (3) inactive anonymouns pages, (4) active and (5) inactive file pages, + * and (3) inactive anonymous pages, (4) active and (5) inactive file pages, * minus mapped file pages. */ static unsigned long minimum_image_size(unsigned long saveable) diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 62ee437b5c7e..90b3d9366d1a 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -39,7 +39,7 @@ static const struct platform_suspend_ops *suspend_ops; static bool need_suspend_ops(suspend_state_t state) { - return !!(state > PM_SUSPEND_FREEZE); + return state > PM_SUSPEND_FREEZE; } static DECLARE_WAIT_QUEUE_HEAD(suspend_freeze_wait_head); diff --git a/kernel/power/wakelock.c b/kernel/power/wakelock.c index 8f50de394d22..019069c84ff6 100644 --- a/kernel/power/wakelock.c +++ b/kernel/power/wakelock.c @@ -18,6 +18,8 @@ #include <linux/rbtree.h> #include <linux/slab.h> +#include "power.h" + static DEFINE_MUTEX(wakelocks_lock); struct wakelock { |