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[v2,24/45] IB/mlx4: Suppress gcc 7 fall-through complaints

Message ID 20171011174927.25113-25-bart.vanassche@wdc.com (mailing list archive)
State Accepted
Headers show

Commit Message

Bart Van Assche Oct. 11, 2017, 5:49 p.m. UTC 
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>
---
 drivers/infiniband/hw/mlx4/cq.c  | 2 ++
 drivers/infiniband/hw/mlx4/mcg.c | 1 +
 2 files changed, 3 insertions(+)
diff mbox

Patch

diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index cab796341697..6d5f405912dd 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -768,11 +768,13 @@  static int mlx4_ib_poll_one(struct mlx4_ib_cq *cq,
 		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;
diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c
index 70eb9f917303..81ffc007e0a1 100644
--- 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 ib_device *ibdev, int port,
 	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)