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Message-ID: <202308172330.ram2SwC7-lkp@intel.com>
Date:   Thu, 17 Aug 2023 23:35:54 +0800
From:   kernel test robot <lkp@...el.com>
To:     Quinn Tran <qutran@...vell.com>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Himanshu Madhani <himanshu.madhani@...cle.com>,
        Nilesh Javali <njavali@...vell.com>
Subject: drivers/scsi/qla2xxx/qla_isr.c:3724: warning: Function parameter or
 member 'rsp_q_in' not described in 'qla_chk_cont_iocb_avail'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   4853c74bd7ab7fdb83f319bd9ace8a08c031e9b6
commit: c019cd656e717349ff22d0c41d6fbfc773f48c52 scsi: qla2xxx: edif: Fix dropped IKE message
date:   1 year, 1 month ago
config: i386-randconfig-i002-20230817 (https://download.01.org/0day-ci/archive/20230817/202308172330.ram2SwC7-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce: (https://download.01.org/0day-ci/archive/20230817/202308172330.ram2SwC7-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308172330.ram2SwC7-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/scsi/qla2xxx/qla_isr.c:3724: warning: Function parameter or member 'rsp_q_in' not described in 'qla_chk_cont_iocb_avail'


vim +3724 drivers/scsi/qla2xxx/qla_isr.c

e84067d7430107 Duane Grigsby 2017-06-21  3713  
fac2807946c10b Quinn Tran    2021-06-23  3714  /**
fac2807946c10b Quinn Tran    2021-06-23  3715   * qla_chk_cont_iocb_avail - check for all continuation iocbs are available
fac2807946c10b Quinn Tran    2021-06-23  3716   *   before iocb processing can start.
fac2807946c10b Quinn Tran    2021-06-23  3717   * @vha: host adapter pointer
fac2807946c10b Quinn Tran    2021-06-23  3718   * @rsp: respond queue
fac2807946c10b Quinn Tran    2021-06-23  3719   * @pkt: head iocb describing how many continuation iocb
fac2807946c10b Quinn Tran    2021-06-23  3720   * Return: 0 all iocbs has arrived, xx- all iocbs have not arrived.
fac2807946c10b Quinn Tran    2021-06-23  3721   */
fac2807946c10b Quinn Tran    2021-06-23  3722  static int qla_chk_cont_iocb_avail(struct scsi_qla_host *vha,
c019cd656e7173 Quinn Tran    2022-07-12  3723  	struct rsp_que *rsp, response_t *pkt, u32 rsp_q_in)
fac2807946c10b Quinn Tran    2021-06-23 @3724  {
c019cd656e7173 Quinn Tran    2022-07-12  3725  	int start_pkt_ring_index;
c019cd656e7173 Quinn Tran    2022-07-12  3726  	u32 iocb_cnt = 0;
fac2807946c10b Quinn Tran    2021-06-23  3727  	int rc = 0;
fac2807946c10b Quinn Tran    2021-06-23  3728  
fac2807946c10b Quinn Tran    2021-06-23  3729  	if (pkt->entry_count == 1)
fac2807946c10b Quinn Tran    2021-06-23  3730  		return rc;
fac2807946c10b Quinn Tran    2021-06-23  3731  
fac2807946c10b Quinn Tran    2021-06-23  3732  	/* ring_index was pre-increment. set it back to current pkt */
fac2807946c10b Quinn Tran    2021-06-23  3733  	if (rsp->ring_index == 0)
fac2807946c10b Quinn Tran    2021-06-23  3734  		start_pkt_ring_index = rsp->length - 1;
fac2807946c10b Quinn Tran    2021-06-23  3735  	else
fac2807946c10b Quinn Tran    2021-06-23  3736  		start_pkt_ring_index = rsp->ring_index - 1;
fac2807946c10b Quinn Tran    2021-06-23  3737  
c019cd656e7173 Quinn Tran    2022-07-12  3738  	if (rsp_q_in < start_pkt_ring_index)
c019cd656e7173 Quinn Tran    2022-07-12  3739  		/* q in ptr is wrapped */
c019cd656e7173 Quinn Tran    2022-07-12  3740  		iocb_cnt = rsp->length - start_pkt_ring_index + rsp_q_in;
fac2807946c10b Quinn Tran    2021-06-23  3741  	else
c019cd656e7173 Quinn Tran    2022-07-12  3742  		iocb_cnt = rsp_q_in - start_pkt_ring_index;
fac2807946c10b Quinn Tran    2021-06-23  3743  
c019cd656e7173 Quinn Tran    2022-07-12  3744  	if (iocb_cnt < pkt->entry_count)
fac2807946c10b Quinn Tran    2021-06-23  3745  		rc = -EIO;
fac2807946c10b Quinn Tran    2021-06-23  3746  
c019cd656e7173 Quinn Tran    2022-07-12  3747  	ql_dbg(ql_dbg_init, vha, 0x5091,
c019cd656e7173 Quinn Tran    2022-07-12  3748  	       "%s - ring %p pkt %p entry count %d iocb_cnt %d rsp_q_in %d rc %d\n",
c019cd656e7173 Quinn Tran    2022-07-12  3749  	       __func__, rsp->ring, pkt, pkt->entry_count, iocb_cnt, rsp_q_in, rc);
fac2807946c10b Quinn Tran    2021-06-23  3750  
fac2807946c10b Quinn Tran    2021-06-23  3751  	return rc;
fac2807946c10b Quinn Tran    2021-06-23  3752  }
fac2807946c10b Quinn Tran    2021-06-23  3753  

:::::: The code at line 3724 was first introduced by commit
:::::: fac2807946c10b9a509b9c348afd442fa823c5f7 scsi: qla2xxx: edif: Add extraction of auth_els from the wire

:::::: TO: Quinn Tran <qutran@...vell.com>
:::::: CC: Martin K. Petersen <martin.petersen@...cle.com>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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