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scsi: zfcp: silence -Wimplicit-fallthrough in zfcp_erp_lun_strategy() 

For some reason the already existing substring "fall through" in the
comment is not sufficient for GCC to silence -Wimplicit-fallthrough.

  CC [M]  drivers/s390/scsi/zfcp_erp.o
drivers/s390/scsi/zfcp_erp.c: In function 'zfcp_erp_lun_strategy':
drivers/s390/scsi/zfcp_erp.c:1065:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
  if (atomic_read(&zfcp_sdev->status) & ZFCP_STATUS_COMMON_OPEN)
      ^
drivers/s390/scsi/zfcp_erp.c:1068:2: note: here
  case ZFCP_ERP_STEP_LUN_CLOSING:
  ^~~~

Signed-off-by: Steffen Maier <maier@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Steffen Maier 2018-11-08 15:44:56 +01:00 committed by Martin K. Petersen
parent 623cd180c1
commit 3505144e54
1 changed files with 2 additions and 1 deletions
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3
drivers/s390/scsi/zfcp_erp.c
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@ -1070,7 +1070,8 @@ static enum zfcp_erp_act_result zfcp_erp_lun_strategy(
zfcp_erp_lun_strategy_clearstati(sdev);
if (atomic_read(&zfcp_sdev->status) & ZFCP_STATUS_COMMON_OPEN)
return zfcp_erp_lun_strategy_close(erp_action);
/* already closed, fall through */
/* already closed */
/* fall through */
case ZFCP_ERP_STEP_LUN_CLOSING:
if (atomic_read(&zfcp_sdev->status) & ZFCP_STATUS_COMMON_OPEN)
return ZFCP_ERP_FAILED;