[PATCH RFC 02/12] RDMA/rtrs-srv: Refactor rtrs_srv_rdma_cm_handler

[Guoqing Jiang <guoqing.jiang@linux.dev>]

The RDMA_CM_EVENT_CONNECT_REQUEST is quite different to other types,
let's checking it separately at the beginning of routine, then we can
avoid the identation accordingly.

Signed-off-by: Guoqing Jiang <guoqing.jiang@linux.dev>
---
 drivers/infiniband/ulp/rtrs/rtrs-srv.c | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index 79504aaef0cc..2cc8b423bcaa 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -1948,24 +1948,19 @@ static int rtrs_rdma_connect(struct rdma_cm_id *cm_id,
 static int rtrs_srv_rdma_cm_handler(struct rdma_cm_id *cm_id,
 				     struct rdma_cm_event *ev)
 {
-	struct rtrs_srv_path *srv_path = NULL;
-	struct rtrs_path *s = NULL;
-
-	if (ev->event != RDMA_CM_EVENT_CONNECT_REQUEST) {
-		struct rtrs_con *c = cm_id->context;
-
-		s = c->path;
-		srv_path = to_srv_path(s);
-	}
+	struct rtrs_con *c = cm_id->context;
+	struct rtrs_path *s = c->path;
+	struct rtrs_srv_path *srv_path = to_srv_path(s);
 
-	switch (ev->event) {
-	case RDMA_CM_EVENT_CONNECT_REQUEST:
+	if (ev->event == RDMA_CM_EVENT_CONNECT_REQUEST)
 		/*
 		 * In case of error cma.c will destroy cm_id,
 		 * see cma_process_remove()
 		 */
 		return rtrs_rdma_connect(cm_id, ev->param.conn.private_data,
 					  ev->param.conn.private_data_len);
+
+	switch (ev->event) {
 	case RDMA_CM_EVENT_ESTABLISHED:
 		/* Nothing here */
 		break;
-- 
2.31.1