efi/esrt: Don't preformat name

kobject_init_and_add takes a format string+args, so there's no reason
to do this formatting in advance.

Signed-off-by: Rasmus Villemoes <[e-mail]>
Cc: Peter Jones <[e-mail]>
Signed-off-by: Matt Fleming <[e-mail]>

drivers/firmware/efi/esrt.c

···
 static int esre_create_sysfs_entry(void *esre, int entry_num)
 {
 	struct esre_entry *entry;
-	char name[20];
 
 	entry = kzalloc(sizeof(*entry), GFP_KERNEL);
 	if (!entry)
 		return -ENOMEM;
-
-	sprintf(name, "entry%d", entry_num);
 
 	entry->kobj.kset = esrt_kset;
 
···
 
 		entry->esre.esre1 = esre;
 		rc = kobject_init_and_add(&entry->kobj, &esre1_ktype, NULL,
-					  "%s", name);
+					  "entry%d", entry_num);
 		if (rc) {
 			kfree(entry);
 			return rc;