diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index f578bdb9fb8d..205e07d2b9dd 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1685,13 +1685,7 @@ static __be32
 nfsd4_decode_free_stateid(struct nfsd4_compoundargs *argp,
 			  struct nfsd4_free_stateid *free_stateid)
 {
-	DECODE_HEAD;
-
-	READ_BUF(sizeof(stateid_t));
-	free_stateid->fr_stateid.si_generation = be32_to_cpup(p++);
-	COPYMEM(&free_stateid->fr_stateid.si_opaque, sizeof(stateid_opaque_t));
-
-	DECODE_TAIL;
+	return nfsd4_decode_stateid4(argp, &free_stateid->fr_stateid);
 }
 
 static __be32