[PATCH] mm,shmem: Fix a typo in shmem_swapin_page()

[Huang Ying]

"-" is missing before "EINVAL".

Fixes: 2efa33fc7f6e ("mm/shmem: fix shmem_swapin() race with swapoff")
Signed-off-by: "Huang, Ying" <ying.huang@xxxxxxxxx>
Cc: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
---
 mm/shmem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/shmem.c b/mm/shmem.c
index 9af4b2173fe9..e201a3ba12fa 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1708,7 +1708,7 @@ static int shmem_swapin_page(struct inode *inode, pgoff_t index,
 	/* Prevent swapoff from happening to us. */
 	si = get_swap_device(swap);
 	if (!si) {
-		error = EINVAL;
+		error = -EINVAL;
 		goto failed;
 	}
 	/* Look it up and read it in.. */
-- 
2.30.2