IB/rxe: change the function to void from int

The function rxe_av_from_attr always return 0. So change the
function 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: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/sw/rxe/rxe_av.c

@@ -52,14 +52,13 @@ int rxe_av_chk_attr(struct rxe_dev *rxe, struct rdma_ah_attr *attr)
 	return 0;
 }
 
-int rxe_av_from_attr(u8 port_num, struct rxe_av *av,
+void rxe_av_from_attr(u8 port_num, struct rxe_av *av,
 		     struct rdma_ah_attr *attr)
 {
 	memset(av, 0, sizeof(*av));
 	memcpy(&av->grh, rdma_ah_read_grh(attr),
 	       sizeof(*rdma_ah_read_grh(attr)));
 	av->port_num = port_num;
-	return 0;
 }
 
 int rxe_av_to_attr(struct rxe_dev *rxe, struct rxe_av *av,

drivers/infiniband/sw/rxe/rxe_loc.h

@@ -38,7 +38,7 @@
 
 int rxe_av_chk_attr(struct rxe_dev *rxe, struct rdma_ah_attr *attr);
 
-int rxe_av_from_attr(u8 port_num, struct rxe_av *av,
+void rxe_av_from_attr(u8 port_num, struct rxe_av *av,
 		     struct rdma_ah_attr *attr);
 
 int rxe_av_to_attr(struct rxe_dev *rxe, struct rxe_av *av,

drivers/infiniband/sw/rxe/rxe_verbs.c

@@ -271,9 +271,8 @@ static int rxe_init_av(struct rxe_dev *rxe, struct rdma_ah_attr *attr,
 		return err;
 	}
 
-	err = rxe_av_from_attr(rdma_ah_get_port_num(attr), av, attr);
-	if (!err)
-		err = rxe_av_fill_ip_info(rxe, av, attr, &sgid_attr, &sgid);
+	rxe_av_from_attr(rdma_ah_get_port_num(attr), av, attr);
+	err = rxe_av_fill_ip_info(rxe, av, attr, &sgid_attr, &sgid);
 
 	if (sgid_attr.ndev)
 		dev_put(sgid_attr.ndev);