Merge ../linux-2.6

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;
 	}