linux-kernel - Re: [PATCH] scsi: mpt3sas: Mark expected switch fall-through

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Date:   Tue, 18 Jun 2019 20:57:48 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc:     Sathya Prakash <sathya.prakash@...adcom.com>,
        Chaitra P B <chaitra.basappa@...adcom.com>,
        Suganath Prabu Subramani 
        <suganath-prabu.subramani@...adcom.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        MPT-FusionLinux.pdl@...adcom.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH] scsi: mpt3sas: Mark expected switch fall-through


Gustavo,

> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
>
> This patch fixes the following warning:
>
> drivers/scsi/mpt3sas/mpt3sas_base.c: In function ‘_base_update_ioc_page1_inlinewith_perf_mode’:
> drivers/scsi/mpt3sas/mpt3sas_base.c:4510:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
>    if (ioc->high_iops_queues) {
>       ^
> drivers/scsi/mpt3sas/mpt3sas_base.c:4530:2: note: here
>   case MPT_PERF_MODE_LATENCY:
>   ^~~~
>
> Warning level 3 was used: -Wimplicit-fallthrough=3

Applied to 5.3/scsi-queue, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering