Thread (3 messages) 3 messages, 3 authors, 2019-07-31

Re: [PATCH] scsi: ibmvfc: Mark expected switch fall-throughs

From: Tyrel Datwyler <tyreld@linux.ibm.com>
Date: 2019-07-31 01:42:57
Also in: linux-scsi, lkml

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 <redacted>
Signed-off-by: Gustavo A. R. Silva <redacted>
---
Acked-by: Tyrel Datwyler <tyreld@linux.ibm.com>
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