[PATCH] fix nfsacl pointer arithmetic and pg_class initialization bugs

* Pointer arithmetic bug: p is in word units. This fixes a memory
  corruption with big acls.
* Initialize pg_class to prevent a NULL pointer access.

 Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

fs/nfsd/nfssvc.c

@@ -376,6 +376,7 @@ static struct svc_program	nfsd_acl_program = {
 	.pg_nvers		= NFSD_ACL_NRVERS,
 	.pg_vers		= nfsd_acl_version,
 	.pg_name		= "nfsd",
+	.pg_class		= "nfsd",
 	.pg_stats		= &nfsd_acl_svcstats,
 };