NFS fix error return in nfs4_select_rw_stateid

Do not return an error when nfs4_copy_delegation_stateid succeeds.

Signed-off-by: Andy Adamson <andros@netapp.com>
Link: http://lkml.kernel.org/r/1392737765-41942-1-git-send-email-andros@netapp.com
Fixes: ef1820f9be27b (NFSv4: Don't try to recover NFSv4 locks when...)
Cc: NeilBrown <neilb@suse.de>
Cc: stable@vger.kernel.org # 3.12+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index e5be725..e1a4721 100644 (file)
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1015,8 +1015,11 @@ int nfs4_select_rw_stateid(nfs4_stateid *dst, struct nfs4_state *state,
        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