diff options
Diffstat (limited to 'kernel/power')
| -rw-r--r-- | kernel/power/main.c | 2 | ||||
| -rw-r--r-- | kernel/power/pm.c | 20 | ||||
| -rw-r--r-- | kernel/power/snapshot.c | 9 |
3 files changed, 6 insertions, 25 deletions
diff --git a/kernel/power/main.c b/kernel/power/main.c index ee371f50cca..a6d9ef46009 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -272,7 +272,7 @@ static ssize_t state_store(struct subsystem * subsys, const char * buf, size_t n if (*s && !strncmp(buf, *s, len)) break; } - if (*s) + if (state < PM_SUSPEND_MAX && *s) error = enter_state(state); else error = -EINVAL; diff --git a/kernel/power/pm.c b/kernel/power/pm.c index 0f6908cce1d..84063ac8fcf 100644 --- a/kernel/power/pm.c +++ b/kernel/power/pm.c @@ -75,25 +75,6 @@ struct pm_dev *pm_register(pm_dev_t type, return dev; } -/** - * pm_unregister - unregister a device with power management - * @dev: device to unregister - * - * Remove a device from the power management notification lists. The - * dev passed must be a handle previously returned by pm_register. - */ - -void pm_unregister(struct pm_dev *dev) -{ - if (dev) { - mutex_lock(&pm_devs_lock); - list_del(&dev->entry); - mutex_unlock(&pm_devs_lock); - - kfree(dev); - } -} - static void __pm_unregister(struct pm_dev *dev) { if (dev) { @@ -258,7 +239,6 @@ int pm_send_all(pm_request_t rqst, void *data) } EXPORT_SYMBOL(pm_register); -EXPORT_SYMBOL(pm_unregister); EXPORT_SYMBOL(pm_unregister_all); EXPORT_SYMBOL(pm_send_all); EXPORT_SYMBOL(pm_active); diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index c5863d02c89..3eeedbb13b7 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -240,14 +240,15 @@ static void copy_data_pages(struct pbe *pblist) * free_pagedir - free pages allocated with alloc_pagedir() */ -static void free_pagedir(struct pbe *pblist) +static void free_pagedir(struct pbe *pblist, int clear_nosave_free) { struct pbe *pbe; while (pblist) { pbe = (pblist + PB_PAGE_SKIP)->next; ClearPageNosave(virt_to_page(pblist)); - ClearPageNosaveFree(virt_to_page(pblist)); + if (clear_nosave_free) + ClearPageNosaveFree(virt_to_page(pblist)); free_page((unsigned long)pblist); pblist = pbe; } @@ -389,7 +390,7 @@ struct pbe *alloc_pagedir(unsigned int nr_pages, gfp_t gfp_mask, int safe_needed pbe->next = alloc_image_page(gfp_mask, safe_needed); } if (!pbe) { /* get_zeroed_page() failed */ - free_pagedir(pblist); + free_pagedir(pblist, 1); pblist = NULL; } else create_pbe_list(pblist, nr_pages); @@ -736,7 +737,7 @@ static int create_image(struct snapshot_handle *handle) pblist = alloc_pagedir(nr_copy_pages, GFP_ATOMIC, 1); if (pblist) copy_page_backup_list(pblist, p); - free_pagedir(p); + free_pagedir(p, 0); if (!pblist) error = -ENOMEM; } |