s390/qeth: unify structs for bridge port state

The data returned from IPA_SBP_QUERY_BRIDGE_PORTS and
IPA_SBP_BRIDGE_PORT_STATE_CHANGE has the same format. Use a single
struct definition for it.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/s390/net/qeth_core_mpc.h

@@ -719,15 +719,8 @@ struct qeth_sbp_port_entry {
 		struct net_if_token token;
 } __packed;
 
-struct qeth_sbp_query_ports {
-	__u8 primary_bp_supported;
-	__u8 secondary_bp_supported;
-	__u8 num_entries;
-	__u8 entry_length;
-	struct qeth_sbp_port_entry entry[];
-} __packed;
-
-struct qeth_sbp_state_change {
+/* For IPA_SBP_QUERY_BRIDGE_PORTS, IPA_SBP_BRIDGE_PORT_STATE_CHANGE */
+struct qeth_sbp_port_data {
 	__u8 primary_bp_supported;
 	__u8 secondary_bp_supported;
 	__u8 num_entries;
@@ -741,8 +734,7 @@ struct qeth_ipacmd_setbridgeport {
 	union {
 		struct qeth_sbp_query_cmds_supp query_cmds_supp;
 		struct qeth_sbp_set_primary set_primary;
-		struct qeth_sbp_query_ports query_ports;
-		struct qeth_sbp_state_change state_change;
+		struct qeth_sbp_port_data port_data;
 	} data;
 } __packed;
 

drivers/s390/net/qeth_l2_main.c

@@ -1125,8 +1125,7 @@ static void qeth_bridge_state_change_worker(struct work_struct *work)
 static void qeth_bridge_state_change(struct qeth_card *card,
 					struct qeth_ipa_cmd *cmd)
 {
-	struct qeth_sbp_state_change *qports =
-		 &cmd->data.sbp.data.state_change;
+	struct qeth_sbp_port_data *qports = &cmd->data.sbp.data.port_data;
 	struct qeth_bridge_state_data *data;
 
 	QETH_CARD_TEXT(card, 2, "brstchng");
@@ -1409,15 +1408,16 @@ static int qeth_bridgeport_query_ports_cb(struct qeth_card *card,
 	struct qeth_reply *reply, unsigned long data)
 {
 	struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
-	struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports;
 	struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param;
+	struct qeth_sbp_port_data *qports;
 	int rc;
 
 	QETH_CARD_TEXT(card, 2, "brqprtcb");
 	rc = qeth_bridgeport_makerc(card, cmd);
 	if (rc)
 		return rc;
 
+	qports = &cmd->data.sbp.data.port_data;
 	if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) {
 		QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length);
 		return -EINVAL;