bcachefs: Fix a btree iterator leak

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

fs/bcachefs/btree_iter.c

@@ -1992,7 +1992,7 @@ static void btree_trans_iter_alloc_fail(struct btree_trans *trans)
 	char buf[100];
 
 	trans_for_each_iter(trans, iter)
-		printk(KERN_ERR "iter: btree %s pos %s%s%s%s %ps\n",
+		printk(KERN_ERR "iter: btree %s pos %s%s%s%s %pS\n",
 		       bch2_btree_ids[iter->btree_id],
 		       (bch2_bpos_to_text(&PBUF(buf), iter->pos), buf),
 		       btree_iter_live(trans, iter) ? " live" : "",

fs/bcachefs/reflink.c

@@ -157,8 +157,10 @@ static int bch2_make_extent_indirect(struct btree_trans *trans,
 	bch2_trans_update(trans, reflink_iter, r_v, 0);
 
 	r_p = bch2_trans_kmalloc(trans, sizeof(*r_p));
-	if (IS_ERR(r_p))
-		return PTR_ERR(r_p);
+	if (IS_ERR(r_p)) {
+		ret = PTR_ERR(r_p);
+		goto err;
+	}
 
 	orig->k.type = KEY_TYPE_reflink_p;
 	r_p = bkey_i_to_reflink_p(orig);