[PATCH 03/11] NFS: Fix error handling in nfs_direct_write_result()

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From: Trond Myklebust <[email protected]>

If the RPC call tanked, we should not be checking the return value
of data->res.verf->committed, since it is unlikely to even be
initialised.

Signed-off-by: Trond Myklebust <[email protected]>
---

 fs/nfs/direct.c |   12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 9f7f8b9..1e873fc 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -532,10 +532,12 @@ static void nfs_direct_write_result(stru
 
 	spin_lock(&dreq->lock);
 
-	if (likely(status >= 0))
-		dreq->count += data->res.count;
-	else
-		dreq->error = task->tk_status;
+	if (unlikely(status < 0)) {
+		dreq->error = status;
+		goto out_unlock;
+	}
+
+	dreq->count += data->res.count;
 
 	if (data->res.verf->committed != NFS_FILE_SYNC) {
 		switch (dreq->flags) {
@@ -550,7 +552,7 @@ static void nfs_direct_write_result(stru
 				}
 		}
 	}
-
+out_unlock:
 	spin_unlock(&dreq->lock);
 }
 
-
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