[RFC][PATCH 4/6] swsusp: move swap check out of swsusp_suspend

["Rafael J. Wysocki" <rjw@sisk.pl>]

This is a non-essential step making the next patch possible.  No functionality
changes.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

 kernel/power/swsusp.c |   13 +++++--------
 1 files changed, 5 insertions(+), 8 deletions(-)

Index: linux-2.6.14-rc5-mm1/kernel/power/swsusp.c
===================================================================
--- linux-2.6.14-rc5-mm1.orig/kernel/power/swsusp.c	2005-10-29 13:13:47.000000000 +0200
+++ linux-2.6.14-rc5-mm1/kernel/power/swsusp.c	2005-10-29 13:13:55.000000000 +0200
@@ -644,12 +644,15 @@
 {
 	int error;
 
+	if ((error = swsusp_swap_check())) {
+		printk(KERN_ERR "swsusp: cannot find swap device, try swapon -a.\n");
+		return error;
+	}
 	lock_swapdevices();
 	error = write_suspend_image();
 	/* This will unlock ignored swap devices since writing is finished */
 	lock_swapdevices();
 	return error;
-
 }
 
 
@@ -672,11 +675,6 @@
 		goto Enable_irqs;
 	}
 
-	if ((error = swsusp_swap_check())) {
-		printk(KERN_ERR "swsusp: cannot find swap device, try swapon -a.\n");
-		goto Power_up;
-	}
-
 	if ((error = save_highmem())) {
 		printk(KERN_ERR "swsusp: Not enough free pages for highmem\n");
 		goto Restore_highmem;
@@ -689,7 +687,6 @@
 	restore_processor_state();
 Restore_highmem:
 	restore_highmem();
-Power_up:
 	device_power_up();
 Enable_irqs:
 	local_irq_enable();
@@ -916,7 +913,7 @@
 		 * Reset swap signature now.
 		 */
 		error = bio_write_page(0, &swsusp_header);
-	} else { 
+	} else {
 		return -EINVAL;
 	}
 	if (!error)