RDMA/rxe: Fix style warnings

Fixed several minor checkpatch warnings in existing rxe source.

Link: https://lore.kernel.org/r/20200820224638.3212-3-rpearson@hpe.comSigned-off-by: NBob Pearson <rpearson@hpe.com>
Signed-off-by: NJason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/sw/rxe/rxe_comp.c

@@ -690,9 +690,8 @@ int rxe_completer(void *arg)
 			 */
 
 			/* there is nothing to retry in this case */
-			if (!wqe || (wqe->state == wqe_state_posted)) {
+			if (!wqe || (wqe->state == wqe_state_posted))
 				goto exit;
-			}
 
 			/* if we've started a retry, don't start another
 			 * retry sequence, unless this is a timeout.

drivers/infiniband/sw/rxe/rxe_net.c

@@ -120,7 +120,7 @@ static struct dst_entry *rxe_find_route6(struct net_device *ndev,
 	ndst = ipv6_stub->ipv6_dst_lookup_flow(sock_net(recv_sockets.sk6->sk),
 					       recv_sockets.sk6->sk, &fl6,
 					       NULL);
-	if (unlikely(IS_ERR(ndst))) {
+	if (IS_ERR(ndst)) {
 		pr_err_ratelimited("no route to %pI6\n", daddr);
 		return NULL;
 	}

drivers/infiniband/sw/rxe/rxe_qp.c

@@ -628,9 +628,8 @@ int rxe_qp_from_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask,
 	if (mask & IB_QP_QKEY)
 		qp->attr.qkey = attr->qkey;
 
-	if (mask & IB_QP_AV) {
+	if (mask & IB_QP_AV)
 		rxe_init_av(&attr->ah_attr, &qp->pri_av);
-	}
 
 	if (mask & IB_QP_ALT_PATH) {
 		rxe_init_av(&attr->alt_ah_attr, &qp->alt_av);

drivers/infiniband/sw/rxe/rxe_task.h

@@ -60,7 +60,7 @@ struct rxe_task {
 /*
  * init rxe_task structure
  *	arg  => parameter to pass to fcn
- *	fcn  => function to call until it returns != 0
+ *	func => function to call until it returns != 0
  */
 int rxe_init_task(void *obj, struct rxe_task *task,
 		  void *arg, int (*func)(void *), char *name);

include/uapi/rdma/rdma_user_rxe.h

@@ -99,8 +99,8 @@ struct rxe_send_wr {
 				struct ib_mr *mr;
 				__aligned_u64 reserved;
 			};
-			__u32        key;
-			__u32        access;
+			__u32	     key;
+			__u32	     access;
 		} reg;
 	} wr;
 };
@@ -112,7 +112,7 @@ struct rxe_sge {
 };
 
 struct mminfo {
-	__aligned_u64  		offset;
+	__aligned_u64		offset;
 	__u32			size;
 	__u32			pad;
 };