[PATCH] acpi proc: error handling

Propagate the software_suspend() return value.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/acpi/sleep/proc.c

@@ -70,7 +70,7 @@ acpi_system_write_sleep (
 	state = simple_strtoul(str, NULL, 0);
 #ifdef CONFIG_SOFTWARE_SUSPEND
 	if (state == 4) {
-		software_suspend();
+		error = software_suspend();
 		goto Done;
 	}
 #endif