bcachefs: Fix some small memory leaks

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

fs/bcachefs/fsck.c

@@ -1124,6 +1124,8 @@ static int check_directory_structure(struct bch_fs *c,
 
 	BUG_ON(ret == -EINTR);
 
+	kfree(path.entries);
+
 	return bch2_trans_exit(&trans) ?: ret;
 }
 

fs/bcachefs/replicas.c

@@ -320,8 +320,8 @@ static int replicas_table_update(struct bch_fs *c,
 out:
 	free_percpu(new_gc);
 	kfree(new_scratch);
-	free_percpu(new_usage[1]);
-	free_percpu(new_usage[0]);
+	for (i = 0; i < ARRAY_SIZE(new_usage); i++)
+		free_percpu(new_usage[i]);
 	kfree(new_base);
 	return ret;
 err: