From 344717e3b990d2a75c32fde55b563da0c4fdb189 Mon Sep 17 00:00:00 2001
From: Chuck Lever <chuck.lever@oracle.com>
Date: Mon, 12 Nov 2007 12:16:58 -0500
Subject: [PATCH] --- yaml --- r: 74181 b: refs/heads/master c:
 b9148c6b80d802dbc2a7530b29915a80432e50c7 h: refs/heads/master i:   74179:
 239cd31adb0fca69a48cf4a2002a3a8003e1678b v: v3

---
 [refs]                | 2 +-
 trunk/fs/nfs/direct.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index d75a94d6c1cf..a0fb25ff13d3 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c216fd708e1a97431925ecffd6d1896cff61df0a
+refs/heads/master: b9148c6b80d802dbc2a7530b29915a80432e50c7
diff --git a/trunk/fs/nfs/direct.c b/trunk/fs/nfs/direct.c
index 88d5d1c7f987..4d726e9db295 100644
--- a/trunk/fs/nfs/direct.c
+++ b/trunk/fs/nfs/direct.c
@@ -890,6 +890,8 @@ ssize_t nfs_file_direct_write(struct kiocb *iocb, const struct iovec *iov,
 	retval = generic_write_checks(file, &pos, &count, 0);
 	if (retval)
 		goto out;
+	if (!count)
+		goto out;	/* return 0 */
 
 	retval = -EINVAL;
 	if ((ssize_t) count < 0)