From c4e1af956a2ef3c77bcfd3c0788af727d83f5504 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Thu, 30 Aug 2007 23:56:33 -0700
Subject: [PATCH] --- yaml --- r: 64633 b: refs/heads/master c:
 2aeb3db17fc33443d21b11d7121c5627d55717c6 h: refs/heads/master i:   64631:
 4f35512b49dfffb07f96496f5f189b376c673bd2 v: v3

---
 [refs]                   | 2 +-
 trunk/fs/ecryptfs/mmap.c | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 6ca0372dd550..2b062999c37e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 85787a2bea516b76a013eea7f5f3fad12c5a6417
+refs/heads/master: 2aeb3db17fc33443d21b11d7121c5627d55717c6
diff --git a/trunk/fs/ecryptfs/mmap.c b/trunk/fs/ecryptfs/mmap.c
index e4ab7bc14efe..fd3f94d4a668 100644
--- a/trunk/fs/ecryptfs/mmap.c
+++ b/trunk/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);