linux-kernel - RE: [PATCH 12/41] scsi: bfa: bfa_ioc: Mark expected switch fall-throughs

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Date:   Fri, 11 Jan 2019 06:33:32 +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 12/41] scsi: bfa: bfa_ioc: Mark expected switch
 fall-throughs



-----Original Message-----
From: Gustavo A. R. Silva [mailto:gustavo@...eddedor.com] 
Sent: 11 January 2019 01:41
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 12/41] scsi: bfa: bfa_ioc: 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, in this particular case, I replaced "!!! fall through !!!"
>> comment with "fall through" annotations, which is what GCC is 
>> expecting to find.
>>
>> Addresses-Coverity-ID: 146155 ("Missing break in switch")
>> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
>> ---
>>   drivers/scsi/bfa/bfa_ioc.c | 9 +++------
>>   1 file changed, 3 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c 
>> index 16d3aeb0e572..32b24e51cce6 100644
>> --- a/drivers/scsi/bfa/bfa_ioc.c
>> +++ b/drivers/scsi/bfa/bfa_ioc.c
>> @@ -978,9 +978,7 @@ bfa_iocpf_sm_enabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
>>       case IOCPF_E_INITFAIL:
>>           bfa_iocpf_timer_stop(ioc);
>> -        /*
>> -         * !!! fall through !!!
>> -         */
>> +        /* fall through */
>>       case IOCPF_E_TIMEOUT:
>>           writel(1, ioc->ioc_regs.ioc_sem_reg); @@ -1056,9 +1054,7 @@ 
>> bfa_iocpf_sm_disabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
>>       case IOCPF_E_FAIL:
>>           bfa_iocpf_timer_stop(ioc);
>> -        /*
>> -         * !!! fall through !!!
>> -         */
>> +        /* fall through */
>>       case IOCPF_E_TIMEOUT:
>>           bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_FAIL); @@ -6007,6 
>> +6003,7 @@ bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf,
>>       case BFA_DCONF_SM_IOCDISABLE:
>>       case BFA_DCONF_SM_FLASH_COMP:
>>           bfa_timer_stop(&dconf->timer);
>> +        /* fall through */
>>       case BFA_DCONF_SM_TIMEOUT:
>>           bfa_sm_set_state(dconf, bfa_dconf_sm_uninit);
>>           bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE);
>>

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