[PATCH 20/20] staging: lustre: rpc: mark expected switch fall-throughs

From: Gustavo A. R. Silva
Date: Thu Oct 12 2017 - 12:41:50 EST


In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Addresses-Coverity-ID: 1077604
Addresses-Coverity-ID: 1077605
Signed-off-by: Gustavo A. R. Silva <garsilva@xxxxxxxxxxxxxx>
---
drivers/staging/lustre/lnet/selftest/rpc.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/lustre/lnet/selftest/rpc.c b/drivers/staging/lustre/lnet/selftest/rpc.c
index 77c222c..74ef3c3 100644
--- a/drivers/staging/lustre/lnet/selftest/rpc.c
+++ b/drivers/staging/lustre/lnet/selftest/rpc.c
@@ -1037,6 +1037,7 @@ srpc_handle_rpc(struct swi_workitem *wi)
ev->ev_status = rc;
}
}
+ /* fall through */
case SWI_STATE_BULK_STARTED:
LASSERT(!rpc->srpc_bulk || ev->ev_fired);

@@ -1237,7 +1238,8 @@ srpc_send_rpc(struct swi_workitem *wi)
break;

wi->swi_state = SWI_STATE_REQUEST_SENT;
- /* perhaps more events, fall thru */
+ /* perhaps more events */
+ /* fall through */
case SWI_STATE_REQUEST_SENT: {
enum srpc_msg_type type = srpc_service2reply(rpc->crpc_service);

@@ -1269,6 +1271,7 @@ srpc_send_rpc(struct swi_workitem *wi)

wi->swi_state = SWI_STATE_REPLY_RECEIVED;
}
+ /* fall through */
case SWI_STATE_REPLY_RECEIVED:
if (do_bulk && !rpc->crpc_bulkev.ev_fired)
break;
@@ -1448,6 +1451,7 @@ srpc_lnet_ev_handler(struct lnet_event *ev)
srpc_data.rpc_counters.rpcs_sent++;
spin_unlock(&srpc_data.rpc_glock);
}
+ /* fall through */
case SRPC_REPLY_RCVD:
case SRPC_BULK_REQ_RCVD:
crpc = rpcev->ev_data;
@@ -1570,7 +1574,7 @@ srpc_lnet_ev_handler(struct lnet_event *ev)

if (!ev->unlinked)
break; /* wait for final event */
-
+ /* fall through */
case SRPC_BULK_PUT_SENT:
if (!ev->status && ev->type != LNET_EVENT_UNLINK) {
spin_lock(&srpc_data.rpc_glock);
@@ -1582,6 +1586,7 @@ srpc_lnet_ev_handler(struct lnet_event *ev)

spin_unlock(&srpc_data.rpc_glock);
}
+ /* fall through */
case SRPC_REPLY_SENT:
srpc = rpcev->ev_data;
scd = srpc->srpc_scd;
@@ -1674,14 +1679,14 @@ srpc_shutdown(void)
spin_unlock(&srpc_data.rpc_glock);

stt_shutdown();
-
+ /* fall through */
case SRPC_STATE_EQ_INIT:
rc = LNetClearLazyPortal(SRPC_FRAMEWORK_REQUEST_PORTAL);
rc = LNetClearLazyPortal(SRPC_REQUEST_PORTAL);
LASSERT(!rc);
rc = LNetEQFree(srpc_data.rpc_lnet_eq);
LASSERT(!rc); /* the EQ should have no user by now */
-
+ /* fall through */
case SRPC_STATE_NI_INIT:
LNetNIFini();
}
--
2.7.4