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Message-ID: <58a4f287-8311-31ee-f403-16b0adcf0271@linux.ibm.com>
Date: Tue, 30 Jul 2019 18:41:53 -0700
From: Tyrel Datwyler <tyreld@...ux.ibm.com>
To: "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>,
"James E.J. Bottomley" <jejb@...ux.ibm.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>
Cc: linux-scsi@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-kernel@...r.kernel.org, Kees Cook <keescook@...omium.org>,
Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH] scsi: ibmvfc: Mark expected switch fall-throughs
On 7/28/19 5:26 PM, Gustavo A. R. Silva wrote:
> Mark switch cases where we are expecting to fall through.
>
> This patch fixes the following warnings:
>
> drivers/scsi/ibmvscsi/ibmvfc.c: In function 'ibmvfc_npiv_login_done':
> drivers/scsi/ibmvscsi/ibmvfc.c:4022:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
> ibmvfc_retry_host_init(vhost);
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/scsi/ibmvscsi/ibmvfc.c:4023:2: note: here
> case IBMVFC_MAD_DRIVER_FAILED:
> ^~~~
> drivers/scsi/ibmvscsi/ibmvfc.c: In function 'ibmvfc_bsg_request':
> drivers/scsi/ibmvscsi/ibmvfc.c:1830:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
> port_id = (bsg_request->rqst_data.h_els.port_id[0] << 16) |
> ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> (bsg_request->rqst_data.h_els.port_id[1] << 8) |
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> bsg_request->rqst_data.h_els.port_id[2];
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/scsi/ibmvscsi/ibmvfc.c:1833:2: note: here
> case FC_BSG_RPT_ELS:
> ^~~~
> drivers/scsi/ibmvscsi/ibmvfc.c:1838:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
> port_id = (bsg_request->rqst_data.h_ct.port_id[0] << 16) |
> ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> (bsg_request->rqst_data.h_ct.port_id[1] << 8) |
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> bsg_request->rqst_data.h_ct.port_id[2];
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/scsi/ibmvscsi/ibmvfc.c:1841:2: note: here
> case FC_BSG_RPT_CT:
> ^~~~
>
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
> ---
Acked-by: Tyrel Datwyler <tyreld@...ux.ibm.com>
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