[PATCH 3.13 035/172] NFS fix error return in nfs4_select_rw_stateid

[Greg Kroah-Hartman]

3.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andy Adamson <andros@xxxxxxxxxx>

commit 146d70caaa1b87f64597743429d7da4b8073d0c9 upstream.

Do not return an error when nfs4_copy_delegation_stateid succeeds.

Signed-off-by: Andy Adamson <andros@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1392737765-41942-1-git-send-email-andros@xxxxxxxxxx
Fixes: ef1820f9be27b (NFSv4: Don't try to recover NFSv4 locks when...)
Cc: NeilBrown <neilb@xxxxxxx>
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 fs/nfs/nfs4state.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1015,8 +1015,11 @@ int nfs4_select_rw_stateid(nfs4_stateid
 	if (ret == -EIO)
 		/* A lost lock - don't even consider delegations */
 		goto out;
-	if (nfs4_copy_delegation_stateid(dst, state->inode, fmode))
+	/* returns true if delegation stateid found and copied */
+	if (nfs4_copy_delegation_stateid(dst, state->inode, fmode)) {
+		ret = 0;
 		goto out;
+	}
 	if (ret != -ENOENT)
 		/* nfs4_copy_delegation_stateid() didn't over-write
 		 * dst, so it still has the lock stateid which we now


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