1 files changed, 2 insertions, 1 deletions

diff --git a/mm/shmem.c b/mm/shmem.c
index dfc7069102ee..ba4ad28b7db6 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -916,11 +916,12 @@ static int shmem_unuse_inode(struct shmem_inode_info *info, swp_entry_t entry, s
                         if (size > ENTRIES_PER_PAGE)
                                 size = ENTRIES_PER_PAGE;
                         offset = shmem_find_swp(entry, ptr, ptr+size);
+                        shmem_swp_unmap(ptr);
                         if (offset >= 0) {
                                 shmem_dir_unmap(dir);
+                                ptr = shmem_swp_map(subdir);
                                 goto found;
                         }
-                        shmem_swp_unmap(ptr);
                 }
         }
 lost1: