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scsi: ibmvscsi_tgt: Mark expected switch fall-throughs

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Mark switch cases where we are expecting to fall through.

This patch fixes the following warnings (Building: powerpc allyesconfig):

drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c: In function 'ibmvscsis_adapter_info':
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:1582:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
   if (connection_broken(vscsi))
      ^
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:1584:2: note: here
  default:
  ^~~~~~~
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c: In function 'ibmvscsis_ping_response':
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:2494:16: warning: this statement may fall through [-Wimplicit-fallthrough=]
   vscsi->flags |= CLIENT_FAILED;
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:2495:2: note: here
  case H_DROPPED:
  ^~~~
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:2496:16: warning: this statement may fall through [-Wimplicit-fallthrough=]
   vscsi->flags |= RESPONSE_Q_DOWN;
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:2497:2: note: here
  case H_REMOTE_PARM:
  ^~~~

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Bryant G. Ly <bly@catalogicsoftware.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Gustavo A. R. Silva 2019-07-29 06:29:02 -05:00 committed by Martin K. Petersen
parent 657bd277c1
commit 9fba647cfe
1 changed files with 3 additions and 0 deletions
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3
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
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@ -1581,6 +1581,7 @@ static long ibmvscsis_adapter_info(struct scsi_info *vscsi,
case H_PERMISSION:
if (connection_broken(vscsi))
flag_bits = (RESPONSE_Q_DOWN | CLIENT_FAILED);
/* Fall through */
default:
dev_err(&vscsi->dev, "adapter_info: h_copy_rdma to client failed, rc %ld\n",
rc);
@ -2492,8 +2493,10 @@ static long ibmvscsis_ping_response(struct scsi_info *vscsi)
break;
case H_CLOSED:
vscsi->flags |= CLIENT_FAILED;
/* Fall through */
case H_DROPPED:
vscsi->flags |= RESPONSE_Q_DOWN;
/* Fall through */
case H_REMOTE_PARM:
dev_err(&vscsi->dev, "ping_response: h_send_crq failed, rc %ld\n",
rc);