[PATCH] swsusp: fix panic when signature can't be read

[powerpc.git] / kernel / power / disk.c

diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index f2b3b0e..e13e740 100644 (file)
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -22,17 +22,6 @@
 #include "power.h"
 
 
-extern suspend_disk_method_t pm_disk_mode;
-
-extern int swsusp_shrink_memory(void);
-extern int swsusp_suspend(void);
-extern int swsusp_write(struct pbe *pblist, unsigned int nr_pages);
-extern int swsusp_check(void);
-extern int swsusp_read(struct pbe **pblist_ptr);
-extern void swsusp_close(void);
-extern int swsusp_resume(void);
-
-
 static int noresume = 0;
 char resume_file[256] = CONFIG_PM_STD_PARTITION;
 dev_t swsusp_resume_device;
@@ -53,7 +42,7 @@ static void power_down(suspend_disk_method_t mode)
 
        switch(mode) {
        case PM_DISK_PLATFORM:
-               kernel_power_off_prepare();
+               kernel_shutdown_prepare(SYSTEM_SUSPEND_DISK);
                error = pm_ops->enter(PM_SUSPEND_DISK);
                break;
        case PM_DISK_SHUTDOWN:
@@ -70,10 +59,6 @@ static void power_down(suspend_disk_method_t mode)
        while(1);
 }
 
-
-static int in_suspend __nosavedata = 0;
-
-
 static inline void platform_finish(void)
 {
        if (pm_disk_mode == PM_DISK_PLATFORM) {
@@ -87,7 +72,6 @@ static int prepare_processes(void)
        int error;
 
        pm_prepare_console();
-       sys_sync();
        disable_nonboot_cpus();
 
        if (freeze_processes()) {
@@ -95,13 +79,6 @@ static int prepare_processes(void)
                goto thaw;
        }
 
-       if (pm_disk_mode == PM_DISK_PLATFORM) {
-               if (pm_ops && pm_ops->prepare) {
-                       if ((error = pm_ops->prepare(PM_SUSPEND_DISK)))
-                               goto thaw;
-               }
-       }
-
        /* Free memory before shutting down devices. */
        if (!(error = swsusp_shrink_memory()))
                return 0;
@@ -152,7 +129,7 @@ int pm_suspend_disk(void)
        if (in_suspend) {
                device_resume();
                pr_debug("PM: writing image.\n");
-               error = swsusp_write(pagedir_nosave, nr_copy_pages);
+               error = swsusp_write();
                if (!error)
                        power_down(pm_disk_mode);
                else {
@@ -223,7 +200,7 @@ static int software_resume(void)
 
        pr_debug("PM: Reading swsusp image.\n");
 
-       if ((error = swsusp_read(&pagedir_nosave))) {
+       if ((error = swsusp_read())) {
                swsusp_free();
                goto Thaw;
        }
@@ -254,7 +231,7 @@ static int software_resume(void)
 late_initcall(software_resume);
 
 
-static char * pm_disk_modes[] = {
+static const char * const pm_disk_modes[] = {
        [PM_DISK_FIRMWARE]      = "firmware",
        [PM_DISK_PLATFORM]      = "platform",
        [PM_DISK_SHUTDOWN]      = "shutdown",