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RDMA/siw: Mark expected switch fall-throughs

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In preparation to enabling -Wimplicit-fallthrough, mark switch cases where
we are expecting to fall through.

This patch fixes the following warnings:

drivers/infiniband/sw/siw/siw_qp_rx.c: In function ‘siw_rdmap_complete’:
drivers/infiniband/sw/siw/siw_qp_rx.c:1214:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
   wqe->rqe.flags |= SIW_WQE_SOLICITED;
   ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
drivers/infiniband/sw/siw/siw_qp_rx.c:1215:2: note: here
  case RDMAP_SEND:
  ^~~~

drivers/infiniband/sw/siw/siw_qp_tx.c: In function ‘siw_qp_sq_process’:
drivers/infiniband/sw/siw/siw_qp_tx.c:1044:4: warning: this statement may fall through [-Wimplicit-fallthrough=]
    siw_wqe_put_mem(wqe, tx_type);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/infiniband/sw/siw/siw_qp_tx.c:1045:3: note: here
   case SIW_OP_INVAL_STAG:
   ^~~~
drivers/infiniband/sw/siw/siw_qp_tx.c:1128:4: warning: this statement may fall through [-Wimplicit-fallthrough=]
    siw_wqe_put_mem(wqe, tx_type);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/infiniband/sw/siw/siw_qp_tx.c:1129:3: note: here
   case SIW_OP_INVAL_STAG:
   ^~~~

Warning level 3 was used: -Wimplicit-fallthrough=3

This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Gustavo A. R. Silva 2019-07-11 11:12:18 -05:00 committed by Jason Gunthorpe
parent bedc0fd0f9
commit cea743f2ea
2 changed files with 6 additions and 0 deletions
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2
drivers/infiniband/sw/siw/siw_qp_rx.c
View File

@ -1212,6 +1212,8 @@ static int siw_rdmap_complete(struct siw_qp *qp, int error)
case RDMAP_SEND_SE:
case RDMAP_SEND_SE_INVAL:
wqe->rqe.flags |= SIW_WQE_SOLICITED;
/* Fall through */
case RDMAP_SEND:
case RDMAP_SEND_INVAL:
if (wqe->wr_status == SIW_WR_IDLE)

4
drivers/infiniband/sw/siw/siw_qp_tx.c
View File

@ -1042,6 +1042,8 @@ next_wqe:
case SIW_OP_SEND_REMOTE_INV:
case SIW_OP_WRITE:
siw_wqe_put_mem(wqe, tx_type);
/* Fall through */
case SIW_OP_INVAL_STAG:
case SIW_OP_REG_MR:
if (tx_flags(wqe) & SIW_WQE_SIGNALLED)
@ -1126,6 +1128,8 @@ next_wqe:
case SIW_OP_READ:
case SIW_OP_READ_LOCAL_INV:
siw_wqe_put_mem(wqe, tx_type);
/* Fall through */
case SIW_OP_INVAL_STAG:
case SIW_OP_REG_MR:
siw_sqe_complete(qp, &wqe->sqe, wqe->bytes,