NFS client bugfix for Linux 3.4

Fix for the NFSv4 security negotiation:
 - Ensure that the security negotiation tries all registered security flavours
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Merge tag 'nfs-for-3.4-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull a NFS client bugfix from Trond Myklebust:
 "Fix for the NFSv4 security negotiation: ensure that the security
  negotiation tries all registered security flavours"

* tag 'nfs-for-3.4-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  auth_gss: the list of pseudoflavors not being parsed correctly

net/sunrpc/auth_gss/gss_mech_switch.c

@@ -242,12 +242,13 @@ EXPORT_SYMBOL_GPL(gss_mech_get_by_pseudoflavor);
 int gss_mech_list_pseudoflavors(rpc_authflavor_t *array_ptr)
 {
 	struct gss_api_mech *pos = NULL;
-	int i = 0;
+	int j, i = 0;
 
 	spin_lock(&registered_mechs_lock);
 	list_for_each_entry(pos, &registered_mechs, gm_list) {
-		array_ptr[i] = pos->gm_pfs->pseudoflavor;
-		i++;
+		for (j=0; j < pos->gm_pf_num; j++) {
+			array_ptr[i++] = pos->gm_pfs[j].pseudoflavor;
+		}
 	}
 	spin_unlock(&registered_mechs_lock);
 	return i;