From: Michael Halcrow <mhalcrow@us.ibm.com>

Calling functions expect the return value from ecryptfs_commit_write() to
be 0 on success.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 fs/ecryptfs/mmap.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff -puN fs/ecryptfs/mmap.c~ecryptfs-mmap-operations-fix fs/ecryptfs/mmap.c
--- a/fs/ecryptfs/mmap.c~ecryptfs-mmap-operations-fix
+++ a/fs/ecryptfs/mmap.c
@@ -633,7 +633,6 @@ static int ecryptfs_commit_write(struct 
 {
 	struct ecryptfs_page_crypt_context ctx;
 	loff_t pos;
-	unsigned bytes = to - from;
 	struct inode *inode;
 	struct inode *lower_inode;
 	struct file *lower_file;
@@ -678,7 +677,7 @@ static int ecryptfs_commit_write(struct 
 				"index [0x%.16x])\n", page->index);
 		goto out;
 	}
-	rc = bytes;
+	rc = 0;
 	inode->i_blocks = lower_inode->i_blocks;
 	pos = (page->index << PAGE_CACHE_SHIFT) + to;
 	if (pos > i_size_read(inode)) {
_