nfsd4: fix test_stateid error reply encoding

commit a11fcce1544df08c723d950ff0edef3adac40405 upstream.

If the entire operation fails then there's nothing to encode.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index d7ea1938cdee..5188a38fef06 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -3384,6 +3384,9 @@ nfsd4_encode_test_stateid(struct nfsd4_compoundres *resp, __be32 nfserr,
         struct nfsd4_test_stateid_id *stateid, *next;
         __be32 *p;
 
+        if (nfserr)
+                return nfserr;
+
         RESERVE_SPACE(4 + (4 * test_stateid->ts_num_ids));
         *p++ = htonl(test_stateid->ts_num_ids);