1 files changed, 6 insertions, 0 deletions

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index e388c9070de4..568d5deacac0 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1790,6 +1790,12 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf
         struct nfs4_delegation *dp = NULL;
         int status;
 
+        if (nfs4_in_grace() && open->op_claim_type != NFS4_OPEN_CLAIM_PREVIOUS)
+                return nfserr_grace;
+
+        if (!nfs4_in_grace() && open->op_claim_type == NFS4_OPEN_CLAIM_PREVIOUS)
+                return nfserr_no_grace;
+
         status = nfserr_inval;
         if (!TEST_ACCESS(open->op_share_access) || !TEST_DENY(open->op_share_deny))
                 goto out;