From: Bart Van Assche <bart.vanassche@wdc.com>
Date: Wed, 11 Oct 2017 10:49:24 -0700
Subject: RDMA/rxe: Suppress gcc 7 fall-through complaints
Patch-mainline: v4.15-rc1
Git-commit: ea6ee93b4033089b6b22b693da3354359555dc69
References: bsc#1103992 FATE#326009
Avoid that gcc 7 reports the following warning when building with W=1:
warning: this statement may fall through [-Wimplicit-fallthrough=]
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Cc: Moni Shoua <monis@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/sw/rxe/rxe_comp.c | 4 ++--
drivers/infiniband/sw/rxe/rxe_task.c | 2 +-
drivers/infiniband/sw/rxe/rxe_verbs.c | 1 +
3 files changed, 4 insertions(+), 3 deletions(-)
--- a/drivers/infiniband/sw/rxe/rxe_comp.c
+++ b/drivers/infiniband/sw/rxe/rxe_comp.c
@@ -270,8 +270,8 @@ static inline enum comp_state check_ack(
if ((syn & AETH_TYPE_MASK) != AETH_ACK)
return COMPST_ERROR;
- /* Fall through (IB_OPCODE_RC_RDMA_READ_RESPONSE_MIDDLE
- * doesn't have an AETH)
+ /* fall through */
+ /* (IB_OPCODE_RC_RDMA_READ_RESPONSE_MIDDLE doesn't have an AETH)
*/
case IB_OPCODE_RC_RDMA_READ_RESPONSE_MIDDLE:
if (wqe->wr.opcode != IB_WR_RDMA_READ &&
--- a/drivers/infiniband/sw/rxe/rxe_task.c
+++ b/drivers/infiniband/sw/rxe/rxe_task.c
@@ -71,7 +71,7 @@ void rxe_do_task(unsigned long data)
case TASK_STATE_BUSY:
task->state = TASK_STATE_ARMED;
- /* fall through to */
+ /* fall through */
case TASK_STATE_ARMED:
spin_unlock_irqrestore(&task->state_lock, flags);
return;
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -644,6 +644,7 @@ static void init_send_wr(struct rxe_qp *
switch (wr->opcode) {
case IB_WR_RDMA_WRITE_WITH_IMM:
wr->ex.imm_data = ibwr->ex.imm_data;
+ /* fall through */
case IB_WR_RDMA_READ:
case IB_WR_RDMA_WRITE:
wr->wr.rdma.remote_addr = rdma_wr(ibwr)->remote_addr;