Hi Alexie/Dan, 

I will send follow up patch to fix this.

Thanks,
-Himanshu





On 12/24/15, 12:11 AM, "Alexei Potashnik" <ale...@purestorage.com> wrote:

>I my original patch line 3583 was:
>
>+                      bool logged_out = (status & 0xFFFF) ==
>CTIO_PORT_LOGGED_OUT;
>
>and line 3587 was:
>
>+                          logged_out ? "PORT LOGGED OUT" : "PORT
>UNAVAILABLE",
>
>Forwarding  to Quinn and Himanshu who must have massaged it.
>
>Alexei
>
>> -----Original Message-----
>> From: Dan Carpenter [mailto:dan.carpen...@oracle.com]
>> Sent: Tuesday, December 22, 2015 11:46 AM
>> To: ale...@purestorage.com
>> Cc: linux-scsi@vger.kernel.org
>> Subject: re: qla2xxx: Delete session if initiator is gone from FW
>>
>> Hello Alexei Potashnik,
>>
>> The patch b93bb8ecc389: "qla2xxx: Delete session if initiator is gone
>from
>> FW" from Dec 17, 2015, leads to the following static checker
>> warning:
>>
>>      drivers/scsi/qla2xxx/qla_target.c:3587 qlt_do_ctio_completion()
>>      warn: impossible condition '(logged_out == 41) => (0-1 == 41)'
>>
>> drivers/scsi/qla2xxx/qla_target.c
>>   3580                  case CTIO_PORT_LOGGED_OUT:
>>   3581                  case CTIO_PORT_UNAVAILABLE:
>>   3582                  {
>>   3583                          bool logged_out = (status & 0xFFFF);
>>   3584                          ql_dbg(ql_dbg_tgt_mgt, vha, 0xf059,
>>   3585                              "qla_target(%d): CTIO with %s status
>%x "
>>   3586                              "received (state %x, se_cmd %p)\n",
>vha->vp_idx,
>>   3587                              (logged_out == CTIO_PORT_LOGGED_OUT)
>?
>>                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> Bool cannot equal 0x26.
>>
>>   3588                              "PORT LOGGED OUT" : "PORT
>UNAVAILABLE",
>>   3589                              status, cmd->state, se_cmd);
>>   3590
>>   3591                          if (logged_out && cmd->sess) {
>>                                     ^^^^^^^^^^
>>      == CTIO_PORT_LOGGED_OUT here?
>>
>>   3592                                  /*
>>   3593                                   * Session is already logged
>out, but we need
>>   3594                                   * to notify initiator, who's
>not aware of this
>>   3595                                   */
>>   3596                                  cmd->sess->logout_on_delete = 0;
>>   3597                                  cmd->sess->send_els_logo = 1;
>>   3598
>qlt_schedule_sess_for_deletion(cmd->sess, true);
>>   3599                          }
>>   3600                          break;
>>   3601                  }
>>
>> regards,
>> dan carpenter

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