- switch (packet->ack_code) {
- case ACK_PENDING:
- switch ((packet->header[1] >> 12) & 0xf) {
- case RCODE_COMPLETE:
- return 0;
- case RCODE_CONFLICT_ERROR:
- return -EAGAIN;
- case RCODE_DATA_ERROR:
- return -EREMOTEIO;
- case RCODE_TYPE_ERROR:
- return -EACCES;
- case RCODE_ADDRESS_ERROR:
- return -EINVAL;
- default:
- HPSB_ERR("received reserved rcode %d from node %d",
- (packet->header[1] >> 12) & 0xf,
- packet->node_id);
- return -EAGAIN;
- }
- HPSB_PANIC("reached unreachable code 1 in %s", __FUNCTION__);
-
- case ACK_BUSY_X:
- case ACK_BUSY_A:
- case ACK_BUSY_B:
- return -EBUSY;
-
- case ACK_TYPE_ERROR:
- return -EACCES;
-
- case ACK_COMPLETE:
- if (packet->tcode == TCODE_WRITEQ
- || packet->tcode == TCODE_WRITEB) {
- return 0;
- } else {
- HPSB_ERR("impossible ack_complete from node %d "
- "(tcode %d)", packet->node_id, packet->tcode);
- return -EAGAIN;
- }
-
-
- case ACK_DATA_ERROR:
- if (packet->tcode == TCODE_WRITEB
- || packet->tcode == TCODE_LOCK_REQUEST) {
- return -EAGAIN;
- } else {
- HPSB_ERR("impossible ack_data_error from node %d "
- "(tcode %d)", packet->node_id, packet->tcode);
- return -EAGAIN;
- }
-
- case ACK_ADDRESS_ERROR:
- return -EINVAL;
-
- case ACK_TARDY:
- case ACK_CONFLICT_ERROR:
- case ACKX_NONE:
- case ACKX_SEND_ERROR:
- case ACKX_ABORTED:
- case ACKX_TIMEOUT:
- /* error while sending */
- return -EAGAIN;
-
- default:
- HPSB_ERR("got invalid ack %d from node %d (tcode %d)",
- packet->ack_code, packet->node_id, packet->tcode);
- return -EAGAIN;
- }
-
- HPSB_PANIC("reached unreachable code 2 in %s", __FUNCTION__);
+ switch (packet->ack_code) {
+ case ACK_PENDING:
+ switch ((packet->header[1] >> 12) & 0xf) {
+ case RCODE_COMPLETE:
+ return 0;
+ case RCODE_CONFLICT_ERROR:
+ return -EAGAIN;
+ case RCODE_DATA_ERROR:
+ return -EREMOTEIO;
+ case RCODE_TYPE_ERROR:
+ return -EACCES;
+ case RCODE_ADDRESS_ERROR:
+ return -EINVAL;
+ default:
+ HPSB_ERR("received reserved rcode %d from node %d",
+ (packet->header[1] >> 12) & 0xf,
+ packet->node_id);
+ return -EAGAIN;
+ }
+ BUG();
+
+ case ACK_BUSY_X:
+ case ACK_BUSY_A:
+ case ACK_BUSY_B:
+ return -EBUSY;
+
+ case ACK_TYPE_ERROR:
+ return -EACCES;
+
+ case ACK_COMPLETE:
+ if (packet->tcode == TCODE_WRITEQ
+ || packet->tcode == TCODE_WRITEB) {
+ return 0;
+ } else {
+ HPSB_ERR("impossible ack_complete from node %d "
+ "(tcode %d)", packet->node_id, packet->tcode);
+ return -EAGAIN;
+ }
+
+ case ACK_DATA_ERROR:
+ if (packet->tcode == TCODE_WRITEB
+ || packet->tcode == TCODE_LOCK_REQUEST) {
+ return -EAGAIN;
+ } else {
+ HPSB_ERR("impossible ack_data_error from node %d "
+ "(tcode %d)", packet->node_id, packet->tcode);
+ return -EAGAIN;
+ }
+
+ case ACK_ADDRESS_ERROR:
+ return -EINVAL;
+
+ case ACK_TARDY:
+ case ACK_CONFLICT_ERROR:
+ case ACKX_NONE:
+ case ACKX_SEND_ERROR:
+ case ACKX_ABORTED:
+ case ACKX_TIMEOUT:
+ /* error while sending */
+ return -EAGAIN;
+
+ default:
+ HPSB_ERR("got invalid ack %d from node %d (tcode %d)",
+ packet->ack_code, packet->node_id, packet->tcode);
+ return -EAGAIN;
+ }
+ BUG();