IB/rxe: change the function to void from int

Since the function rxe_av_to_attr always return 0, 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

@@ -61,13 +61,12 @@ void rxe_av_from_attr(u8 port_num, struct rxe_av *av,
 	av->port_num = port_num;
 }
 
-int rxe_av_to_attr(struct rxe_av *av, struct rdma_ah_attr *attr)
+void rxe_av_to_attr(struct rxe_av *av, struct rdma_ah_attr *attr)
 {
 	attr->type = RDMA_AH_ATTR_TYPE_ROCE;
 	memcpy(rdma_ah_retrieve_grh(attr), &av->grh, sizeof(av->grh));
 	rdma_ah_set_ah_flags(attr, IB_AH_GRH);
 	rdma_ah_set_port_num(attr, av->port_num);
-	return 0;
 }
 
 int rxe_av_fill_ip_info(struct rxe_dev *rxe,

drivers/infiniband/sw/rxe/rxe_loc.h

@@ -41,7 +41,7 @@ int rxe_av_chk_attr(struct rxe_dev *rxe, struct rdma_ah_attr *attr);
 void rxe_av_from_attr(u8 port_num, struct rxe_av *av,
 		     struct rdma_ah_attr *attr);
 
-int rxe_av_to_attr(struct rxe_av *av, struct rdma_ah_attr *attr);
+void rxe_av_to_attr(struct rxe_av *av, struct rdma_ah_attr *attr);
 
 int rxe_av_fill_ip_info(struct rxe_dev *rxe,
 			struct rxe_av *av,