linux-kernel - RE: [PATCH 11/41] scsi: bfa: bfa_fcs_rport: Mark expected switch fall-throughs

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Date:   Fri, 11 Jan 2019 06:33:49 +0000
From:   Sudarsana Reddy Kalluru <skalluru@...vell.com>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Anil Gurumurthy <anil.gurumurthy@...gic.com>,
        Sudarsana Kalluru <sudarsana.kalluru@...gic.com>
CC:     "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 11/41] scsi: bfa: bfa_fcs_rport: Mark expected switch
 fall-throughs


-----Original Message-----
From: Gustavo A. R. Silva [mailto:gustavo@...eddedor.com] 
Sent: 11 January 2019 01:42
To: Anil Gurumurthy <anil.gurumurthy@...gic.com>; Sudarsana Kalluru <sudarsana.kalluru@...gic.com>
Cc: James E.J. Bottomley <jejb@...ux.ibm.com>; Martin K. Petersen <martin.petersen@...cle.com>; linux-scsi@...r.kernel.org; linux-kernel@...r.kernel.org
Subject: Re: [PATCH 11/41] scsi: bfa: bfa_fcs_rport: Mark expected switch fall-throughs

External Email

Hi,

Friendly ping (second one):

Who can ack/review/take this patch, please?

Thanks
--
Gustavo

On 12/19/18 9:39 AM, Gustavo A. R. Silva wrote:
> Hi,
>
> Friendly ping:
>
> Who can ack or review this patch, please?
>
> Thanks
> --
> Gustavo
>
> On 11/27/18 10:27 PM, Gustavo A. R. Silva wrote:
>> In preparation to enabling -Wimplicit-fallthrough, mark switch cases 
>> where we are expecting to fall through.
>>
>> Notice that I replaced "!! fall through !!" and "!!! fall through !!!"
>> comments with "fall through" annotations, which is what GCC is 
>> expecting to find.
>>
>> Addresses-Coverity-ID: 744899 ("Missing break in switch")
>> Addresses-Coverity-ID: 744900 ("Missing break in switch")
>> Addresses-Coverity-ID: 744901 ("Missing break in switch")
>> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
>> ---
>>   drivers/scsi/bfa/bfa_fcs_rport.c | 19 +++++++------------
>>   1 file changed, 7 insertions(+), 12 deletions(-)
>>
>> diff --git a/drivers/scsi/bfa/bfa_fcs_rport.c 
>> b/drivers/scsi/bfa/bfa_fcs_rport.c
>> index de50349a39ce..1e400f2aaece 100644
>> --- a/drivers/scsi/bfa/bfa_fcs_rport.c
>> +++ b/drivers/scsi/bfa/bfa_fcs_rport.c
>> @@ -427,17 +427,13 @@ bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event)
>>       case RPSM_EVENT_LOGO_RCVD:
>>           bfa_fcs_rport_send_logo_acc(rport);
>> -        /*
>> -         * !! fall through !!
>> -         */
>> +        /* fall through */
>>       case RPSM_EVENT_PRLO_RCVD:
>>           if (rport->prlo == BFA_TRUE)
>>               bfa_fcs_rport_send_prlo_acc(rport);
>>           bfa_fcxp_discard(rport->fcxp);
>> -        /*
>> -         * !! fall through !!
>> -         */
>> +        /* fall through */
>>       case RPSM_EVENT_FAILED:
>>           if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) {
>>               rport->plogi_retries++; @@ -868,9 +864,7 @@ 
>> bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport,
>>            * At least go offline when a PLOGI is received.
>>            */
>>           bfa_fcxp_discard(rport->fcxp);
>> -        /*
>> -         * !!! fall through !!!
>> -         */
>> +        /* fall through */
>>       case RPSM_EVENT_FAILED:
>>       case RPSM_EVENT_ADDRESS_CHANGE:
>> @@ -1056,6 +1050,7 @@ bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport,
>>       case RPSM_EVENT_LOGO_RCVD:
>>           bfa_fcs_rport_send_logo_acc(rport);
>> +        /* fall through */
>>       case RPSM_EVENT_PRLO_RCVD:
>>           if (rport->prlo == BFA_TRUE)
>>               bfa_fcs_rport_send_prlo_acc(rport);
>> @@ -1144,9 +1139,7 @@ bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport,
>>               bfa_fcs_rport_send_plogiacc(rport, NULL);
>>               break;
>>           }
>> -        /*
>> -         * !! fall through !!
>> -         */
>> +        /* fall through */
>>       case RPSM_EVENT_ADDRESS_CHANGE:
>>           if (!bfa_fcs_lport_is_online(rport->port)) { @@ -1303,6 
>> +1296,7 @@ bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport,
>>       case RPSM_EVENT_LOGO_RCVD:
>>           bfa_fcs_rport_send_logo_acc(rport);
>> +        /* fall through */
>>       case RPSM_EVENT_PRLO_RCVD:
>>           if (rport->prlo == BFA_TRUE)
>>               bfa_fcs_rport_send_prlo_acc(rport);
>> @@ -1346,6 +1340,7 @@ bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport,
>>       case RPSM_EVENT_LOGO_RCVD:
>>           bfa_fcs_rport_send_logo_acc(rport);
>> +        /* fall through */
>>       case RPSM_EVENT_PRLO_RCVD:
>>           if (rport->prlo == BFA_TRUE)
>>               bfa_fcs_rport_send_prlo_acc(rport);
>>

Acked-by: Sudarsana Kalluru <Sudarsana.Kalluru@...gic.com>