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authorBart Van Assche <bart.vanassche@wdc.com>2017-10-11 10:48:57 -0700
committerDoug Ledford <dledford@redhat.com>2017-10-14 20:47:06 -0400
commit6ffeb21f8e38c71146072fa0a099d976b0762a15 (patch)
tree99b8509e9846358a3665a986ecc52e016565d077
parentRDMA/cxgb4: Remove a set-but-not-used variable (diff)
downloadlinux-dev-6ffeb21f8e38c71146072fa0a099d976b0762a15.tar.xz
linux-dev-6ffeb21f8e38c71146072fa0a099d976b0762a15.zip
IB/hfi1: Suppress gcc 7 fall-through complaints
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>
-rw-r--r--drivers/infiniband/hw/hfi1/mad.c1
-rw-r--r--drivers/infiniband/hw/hfi1/rc.c2
-rw-r--r--drivers/infiniband/hw/hfi1/sdma.c3
3 files changed, 4 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/hfi1/mad.c b/drivers/infiniband/hw/hfi1/mad.c
index 07b80faf1675..c01335edeabd 100644
--- a/drivers/infiniband/hw/hfi1/mad.c
+++ b/drivers/infiniband/hw/hfi1/mad.c
@@ -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)
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c
index e1cf0c08ca6f..8ca26e67a096 100644
--- a/drivers/infiniband/hw/hfi1/rc.c
+++ b/drivers/infiniband/hw/hfi1/rc.c
@@ -2175,7 +2175,7 @@ send_middle:
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;
diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c
index e7df7794c97e..961507bb0391 100644
--- a/drivers/infiniband/hw/hfi1/sdma.c
+++ b/drivers/infiniband/hw/hfi1/sdma.c
@@ -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