1 files changed, 2 insertions, 1 deletions

diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index e4ab7bc14efe..fd3f94d4a668 100644
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -834,7 +834,8 @@ static void ecryptfs_sync_page(struct page *page)
                 ecryptfs_printk(KERN_DEBUG, "find_lock_page failed\n");
                 return;
         }
-        lower_page->mapping->a_ops->sync_page(lower_page);
+        if (lower_page->mapping->a_ops->sync_page)
+                lower_page->mapping->a_ops->sync_page(lower_page);
         ecryptfs_printk(KERN_DEBUG, "Unlocking page with index = [0x%.16x]\n",
                         lower_page->index);
         unlock_page(lower_page);