edd: fix incorrect return of 1 from module_init

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Matt Domsch <Matt_Domsch@dell.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/firmware/edd.c b/drivers/firmware/edd.c
index 74401198..9e4f59d 100644
--- a/drivers/firmware/edd.c
+++ b/drivers/firmware/edd.c
@@ -753,7 +753,7 @@
 
 	if (!edd_num_devices()) {
 		printk(KERN_INFO "EDD information not available.\n");
-		return 1;
+		return -ENODEV;
 	}
 
 	edd_kset = kset_create_and_add("edd", NULL, firmware_kobj);