Thread (26 messages) 26 messages, 4 authors, 2021-05-31

[PATCHv3 for-next 04/20] RDMA/rtrs-srv: Clean up the code in __rtrs_srv_change_state

From: Jack Wang <jinpu.wang@ionos.com>
Date: 2021-05-28 11:30:34
Subsystem: infiniband subsystem, rtrs transport drivers, the rest · Maintainers: Jason Gunthorpe, Leon Romanovsky, Md. Haris Iqbal, Jack Wang, Linus Torvalds

From: Guoqing Jiang <redacted>

No need to use double switch to check the change of state everywhere,
let's change them to "if" to reduce size.

Signed-off-by: Guoqing Jiang <redacted>
Reviewed-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Signed-off-by: Gioh Kim <redacted>
---
 drivers/infiniband/ulp/rtrs/rtrs-srv.c | 23 ++++-------------------
 1 file changed, 4 insertions(+), 19 deletions(-)
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index 7a0954aa24c8..aa0585c176c9 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -77,32 +77,17 @@ static bool __rtrs_srv_change_state(struct rtrs_srv_sess *sess,
 	old_state = sess->state;
 	switch (new_state) {
 	case RTRS_SRV_CONNECTED:
-		switch (old_state) {
-		case RTRS_SRV_CONNECTING:
+		if (old_state == RTRS_SRV_CONNECTING)
 			changed = true;
-			fallthrough;
-		default:
-			break;
-		}
 		break;
 	case RTRS_SRV_CLOSING:
-		switch (old_state) {
-		case RTRS_SRV_CONNECTING:
-		case RTRS_SRV_CONNECTED:
+		if (old_state == RTRS_SRV_CONNECTING ||
+		    old_state == RTRS_SRV_CONNECTED)
 			changed = true;
-			fallthrough;
-		default:
-			break;
-		}
 		break;
 	case RTRS_SRV_CLOSED:
-		switch (old_state) {
-		case RTRS_SRV_CLOSING:
+		if (old_state == RTRS_SRV_CLOSING)
 			changed = true;
-			fallthrough;
-		default:
-			break;
-		}
 		break;
 	default:
 		break;
-- 
2.25.1
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