Re: [PATCH 21/23] zfcp: silence -Wimplicit-fallthrough in zfcp_erp_lun_strategy()

2018-11-16 Thread Hannes Reinecke

On 11/8/18 3:44 PM, Steffen Maier wrote:

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(_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 
Reviewed-by: Benjamin Block 
---
  drivers/s390/scsi/zfcp_erp.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 8e5f01f5be81..b2845c5b8106 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -1070,7 +1070,8 @@ static enum zfcp_erp_act_result zfcp_erp_lun_strategy(
zfcp_erp_lun_strategy_clearstati(sdev);
if (atomic_read(_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(_sdev->status) & ZFCP_STATUS_COMMON_OPEN)
return ZFCP_ERP_FAILED;


Reviewed-by: Hannes Reinecke 

Cheers,

Hannes
--
Dr. Hannes ReineckeTeamlead Storage & Networking
h...@suse.de   +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)


[PATCH 21/23] zfcp: silence -Wimplicit-fallthrough in zfcp_erp_lun_strategy()

2018-11-08 Thread Steffen Maier
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(_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 
Reviewed-by: Benjamin Block 
---
 drivers/s390/scsi/zfcp_erp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 8e5f01f5be81..b2845c5b8106 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -1070,7 +1070,8 @@ static enum zfcp_erp_act_result zfcp_erp_lun_strategy(
zfcp_erp_lun_strategy_clearstati(sdev);
if (atomic_read(_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(_sdev->status) & ZFCP_STATUS_COMMON_OPEN)
return ZFCP_ERP_FAILED;
-- 
2.16.4