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IB/hfi1: Suppress gcc 7 fall-through complaints

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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: Dennis Dalessandro <dennis.dalessandro@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Bart Van Assche 2017-10-11 10:48:57 -07:00 committed by Doug Ledford
parent 81e74ec286
commit 6ffeb21f8e
3 changed files with 4 additions and 2 deletions
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1
drivers/infiniband/hw/hfi1/mad.c
View File

@ -711,6 +711,7 @@ static int check_mkey(struct hfi1_ibport *ibp, struct ib_mad_hdr *mad,
/* Bad mkey not a violation below level 2 */
if (ibp->rvp.mkeyprot < 2)
break;
/* fall through */
case IB_MGMT_METHOD_SET:
case IB_MGMT_METHOD_TRAP_REPRESS:
if (ibp->rvp.mkey_violations != 0xFFFF)

2
drivers/infiniband/hw/hfi1/rc.c
View File

@ -2175,7 +2175,7 @@ void hfi1_rc_rcv(struct hfi1_packet *packet)
goto no_immediate_data;
if (opcode == OP(SEND_ONLY_WITH_INVALIDATE))
goto send_last_inv;
/* FALLTHROUGH for SEND_ONLY_WITH_IMMEDIATE */
/* FALLTHROUGH -- for SEND_ONLY_WITH_IMMEDIATE */
case OP(SEND_LAST_WITH_IMMEDIATE):
send_last_imm:
wc.ex.imm_data = ohdr->u.imm_data;

3
drivers/infiniband/hw/hfi1/sdma.c
View File

@ -2593,7 +2593,7 @@ static void __sdma_process_event(struct sdma_engine *sde,
* 7220, e.g.
*/
ss->go_s99_running = 1;
/* fall through and start dma engine */
/* fall through -- and start dma engine */
case sdma_event_e10_go_hw_start:
/* This reference means the state machine is started */
sdma_get(&sde->state);
@ -3016,6 +3016,7 @@ static void __sdma_process_event(struct sdma_engine *sde,
case sdma_event_e60_hw_halted:
need_progress = 1;
sdma_err_progress_check_schedule(sde);
/* fall through */
case sdma_event_e90_sw_halted:
/*
* SW initiated halt does not perform engines