IB/rxe: change the function rxe_av_fill_ip_info to void

The function rxe_av_fill_ip_info always returns 0. So the function
type is changed to void.

CC: Srinivas Eeda <srinivas.eeda@oracle.com>
CC: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/sw/rxe/rxe_av.c

@@ -69,7 +69,7 @@ void rxe_av_to_attr(struct rxe_av *av, struct rdma_ah_attr *attr)
 	rdma_ah_set_port_num(attr, av->port_num);
 }
 
-int rxe_av_fill_ip_info(struct rxe_dev *rxe,
+void rxe_av_fill_ip_info(struct rxe_dev *rxe,
 			struct rxe_av *av,
 			struct rdma_ah_attr *attr,
 			struct ib_gid_attr *sgid_attr,
@@ -78,8 +78,6 @@ int rxe_av_fill_ip_info(struct rxe_dev *rxe,
 	rdma_gid2ip(&av->sgid_addr._sockaddr, sgid);
 	rdma_gid2ip(&av->dgid_addr._sockaddr, &rdma_ah_read_grh(attr)->dgid);
 	av->network_type = ib_gid_to_network_type(sgid_attr->gid_type, sgid);
-
-	return 0;
 }
 
 struct rxe_av *rxe_get_av(struct rxe_pkt_info *pkt)

drivers/infiniband/sw/rxe/rxe_loc.h

@@ -43,7 +43,7 @@ void rxe_av_from_attr(u8 port_num, struct rxe_av *av,
 
 void rxe_av_to_attr(struct rxe_av *av, struct rdma_ah_attr *attr);
 
-int rxe_av_fill_ip_info(struct rxe_dev *rxe,
+void rxe_av_fill_ip_info(struct rxe_dev *rxe,
 			struct rxe_av *av,
 			struct rdma_ah_attr *attr,
 			struct ib_gid_attr *sgid_attr,

drivers/infiniband/sw/rxe/rxe_verbs.c

@@ -272,11 +272,11 @@ static int rxe_init_av(struct rxe_dev *rxe, struct rdma_ah_attr *attr,
 	}
 
 	rxe_av_from_attr(rdma_ah_get_port_num(attr), av, attr);
-	err = rxe_av_fill_ip_info(rxe, av, attr, &sgid_attr, &sgid);
+	rxe_av_fill_ip_info(rxe, av, attr, &sgid_attr, &sgid);
 
 	if (sgid_attr.ndev)
 		dev_put(sgid_attr.ndev);
-	return err;
+	return 0;
 }
 
 static struct ib_ah *rxe_create_ah(struct ib_pd *ibpd,