If p is NULL, __swap_duplicate will already return -EINVAL. So if we reach here, p must be non-NULL. Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> --- mm/swapfile.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/swapfile.c b/mm/swapfile.c index d4b81ca887c0..7b4c99ca2aea 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -3336,8 +3336,7 @@ static int __swap_duplicate(swp_entry_t entry, unsigned char usage) unlock_out: unlock_cluster_or_swap_info(p, ci); - if (p) - put_swap_device(p); + put_swap_device(p); return err; } -- 2.23.0