linux-next: build warning after merge of the rdma tree

[Stephen Rothwell]

Hi all,

After merging the rdma tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

drivers/infiniband/hw/hfi1/qp.c: In function 'hfi1_setup_wqe':
drivers/infiniband/hw/hfi1/qp.c:328:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
   hfi1_setup_tid_rdma_wqe(qp, wqe);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/infiniband/hw/hfi1/qp.c:329:2: note: here
  case IB_QPT_UC:
  ^~~~

Introduced by commit

  f1ab4efa6d32 ("IB/hfi1: Enable TID RDMA READ protocol")

I get this warning because I am building with -Wimplicit-fallthrough
in attempt to catch new additions early.  The gcc warning can be turned
off by adding a /* fall through */ comment at the point the fall through
happens (assuming that the fall through is intentional).

-- 
Cheers,
Stephen Rothwell

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