[PATCH v1 rdma-next] bnxt_re: Fix -Wimplicit-fallthrough warnings in GCC 7.1

[Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

From: Leon Romanovsky <leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>

[59/189] Building C object providers/bnxt_re/CMakeFiles/bnxt_re-rdmav2.dir/verbs.c.o
../providers/bnxt_re/verbs.c: In function ‘bnxt_re_post_send’:
../providers/bnxt_re/verbs.c:1222:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
    hdr->key_immd = htole32(be32toh(wr->imm_data));
                  ^
../providers/bnxt_re/verbs.c:1223:3: note: here
   case IBV_WR_SEND:
   ^~~~
../providers/bnxt_re/verbs.c:1232:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
    hdr->key_immd = htole32(be32toh(wr->imm_data));
                  ^
../providers/bnxt_re/verbs.c:1233:3: note: here
   case IBV_WR_RDMA_WRITE:

Cc: Bart Van Assche <Bart.VanAssche-Sjgp3cTcYWE@public.gmane.org>
Signed-off-by: Leon Romanovsky <leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
---
Changelog from v0:
 * Used commonly used in rdma-core annotation to mark fail through.
---
 providers/bnxt_re/verbs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/providers/bnxt_re/verbs.c b/providers/bnxt_re/verbs.c
index 1fe79671..b89bcbaa 100644
--- a/providers/bnxt_re/verbs.c
+++ b/providers/bnxt_re/verbs.c
@@ -1220,6 +1220,7 @@ int bnxt_re_post_send(struct ibv_qp *ibvqp, struct ibv_send_wr *wr,
 			 * LE platform be32toh will do the job.
 			 */
 			hdr->key_immd = htole32(be32toh(wr->imm_data));
+			/* fall through */
 		case IBV_WR_SEND:
 			if (qp->qptyp == IBV_QPT_UD)
 				bytes = bnxt_re_build_ud_sqe(qp, sqe, wr,
@@ -1230,6 +1231,7 @@ int bnxt_re_post_send(struct ibv_qp *ibvqp, struct ibv_send_wr *wr,
 			break;
 		case IBV_WR_RDMA_WRITE_WITH_IMM:
 			hdr->key_immd = htole32(be32toh(wr->imm_data));
+			/* fall through */
 		case IBV_WR_RDMA_WRITE:
 			bytes = bnxt_re_build_rdma_sqe(qp, sqe, wr, is_inline);
 			break;
--
2.13.2

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