From: Bart Van Assche <bart.vanassche@wdc.com>
Date: Wed, 11 Oct 2017 10:49:06 -0700
Subject: IB/mlx4: Suppress gcc 7 fall-through complaints
Patch-mainline: v4.15-rc1
Git-commit: 8aff1fb310ec7472adecea52def6d40962ed9e48
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>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/hw/mlx4/cq.c | 2 ++
drivers/infiniband/hw/mlx4/mcg.c | 1 +
2 files changed, 3 insertions(+)
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -768,11 +768,13 @@ repoll:
switch (cqe->owner_sr_opcode & MLX4_CQE_OPCODE_MASK) {
case MLX4_OPCODE_RDMA_WRITE_IMM:
wc->wc_flags |= IB_WC_WITH_IMM;
+ /* fall through */
case MLX4_OPCODE_RDMA_WRITE:
wc->opcode = IB_WC_RDMA_WRITE;
break;
case MLX4_OPCODE_SEND_IMM:
wc->wc_flags |= IB_WC_WITH_IMM;
+ /* fall through */
case MLX4_OPCODE_SEND:
case MLX4_OPCODE_SEND_INVAL:
wc->opcode = IB_WC_SEND;
--- a/drivers/infiniband/hw/mlx4/mcg.c
+++ b/drivers/infiniband/hw/mlx4/mcg.c
@@ -944,6 +944,7 @@ int mlx4_ib_mcg_multiplex_handler(struct
switch (sa_mad->mad_hdr.method) {
case IB_MGMT_METHOD_SET:
may_create = 1;
+ /* fall through */
case IB_SA_METHOD_DELETE:
req = kzalloc(sizeof *req, GFP_KERNEL);
if (!req)