nfsd41: enforce NFS4ERR_SEQUENCE_POS operation order rules for minorversion != 0 only.
Signed-off-by: Andy Adamson<andros@netapp.com>
[nfsd41: do not verify nfserr_sequence_pos for minorversion 0]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 24b6e05..9243dca 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1047,10 +1047,14 @@
struct nfsd4_compound_state *cstate,
struct nfsd4_sequence *seq)
{
+ struct nfsd4_compoundres *resp = rqstp->rq_resp;
struct nfsd4_session *session;
struct nfsd4_slot *slot;
int status;
+ if (resp->opcnt != 1)
+ return nfserr_sequence_pos;
+
spin_lock(&sessionid_lock);
status = nfserr_badsession;
session = find_in_sessionid_hashtbl(&seq->sessionid);