diff options
| author | Andrew Vasquez <andrew.vasquez@qlogic.com> | 2007-01-29 18:22:25 (GMT) |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-01-31 17:13:07 (GMT) |
| commit | 178779a6ca7c23b52d5537b972f2b54c830b4480 (patch) | |
| tree | 5983c4f4b0f66c8a9edd4a1c7d2e3a06dc7859e1 /drivers/scsi/qla2xxx | |
| parent | 9bb9fcf2f2b4deeb3ae8a44ed4b8686302297030 (diff) | |
| download | linux-178779a6ca7c23b52d5537b972f2b54c830b4480.tar.xz | |
[SCSI] qla2xxx: Check loop-state before reading host statistics.
Non-ISP24xx cards must have a loop-id in order to query host
statistics.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_attr.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 78a5867..834c404 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -885,21 +885,24 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost) link_stat_t stat_buf; struct fc_host_statistics *pfc_host_stat; + rval = QLA_FUNCTION_FAILED; pfc_host_stat = &ha->fc_host_stat; memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics)); if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf, sizeof(stat_buf) / 4, mb_stat); - } else { + } else if (atomic_read(&ha->loop_state) == LOOP_READY && + !test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) && + !test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) && + !ha->dpc_active) { + /* Must be in a 'READY' state for statistics retrieval. */ rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf, mb_stat); } - if (rval != 0) { - qla_printk(KERN_WARNING, ha, - "Unable to retrieve host statistics (%d).\n", mb_stat[0]); - return pfc_host_stat; - } + + if (rval != QLA_SUCCESS) + goto done; pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt; pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt; @@ -907,7 +910,7 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost) pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt; pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt; pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt; - +done: return pfc_host_stat; } |