nfsd4: clean up validate_stateid

[linux-imx.git] / fs / nfsd / nfs4state.c

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 67017fcebb21f99c90256cb635163d858f30d836..add9721ab059e68a1cf74057b0cdec49b179011b 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3456,13 +3456,22 @@ static __be32 nfsd4_validate_stateid(struct nfs4_client *cl, stateid_t *stateid)
        status = check_stateid_generation(stateid, &s->sc_stateid, 1);
        if (status)
                return status;
-       if (!(s->sc_type & (NFS4_OPEN_STID | NFS4_LOCK_STID)))
+       switch (s->sc_type) {
+       case NFS4_DELEG_STID:
+               return nfs_ok;
+       case NFS4_OPEN_STID:
+       case NFS4_LOCK_STID:
+               ols = openlockstateid(s);
+               if (ols->st_stateowner->so_is_open_owner
+                               && !(openowner(ols->st_stateowner)->oo_flags
+                                               & NFS4_OO_CONFIRMED))
+                       return nfserr_bad_stateid;
                return nfs_ok;
-       ols = openlockstateid(s);
-       if (ols->st_stateowner->so_is_open_owner
-           && !(openowner(ols->st_stateowner)->oo_flags & NFS4_OO_CONFIRMED))
+       default:
+               printk("unknown stateid type %x\n", s->sc_type);
+       case NFS4_CLOSED_STID:
                return nfserr_bad_stateid;
-       return nfs_ok;
+       }
 }
 
 static __be32 nfsd4_lookup_stateid(stateid_t *stateid, unsigned char typemask,