CC [M]  fs/reiserfs/lbalance.o
  CC [M]  fs/reiserfs/ibalance.o
fs/reiserfs/ibalance.c: In function ‘balance_internal’:
fs/reiserfs/ibalance.c:1156:2: warning: ‘new_insert_key’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  memcpy(new_insert_key_addr, &new_insert_key, KEY_SIZE);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~