diff options
| -rw-r--r-- | mm/swapfile.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index d1bd8d1e17bd30..2b3a2d85e350ba 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -3335,7 +3335,8 @@ static int __swap_duplicate(swp_entry_t entry, unsigned char usage) } else err = -ENOENT; /* unused swap entry */ - WRITE_ONCE(p->swap_map[offset], count | has_cache); + if (!err) + WRITE_ONCE(p->swap_map[offset], count | has_cache); unlock_out: unlock_cluster_or_swap_info(p, ci); |