diff options
| author | Lalit Chandivade <lalit.chandivade@qlogic.com> | 2012-02-13 18:30:41 +0530 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-02-19 09:31:18 -0600 |
| commit | 981c982c2d739940d36ab535047a471943787c93 (patch) | |
| tree | 320437adfbee1062887380650db8d33edffd7e8b /drivers | |
| parent | 45857216f2a513872efc965f66bca21ace0980fd (diff) | |
| download | blackbird-op-linux-981c982c2d739940d36ab535047a471943787c93.tar.gz blackbird-op-linux-981c982c2d739940d36ab535047a471943787c93.zip | |
[SCSI] qla4xxx: Fix un-necessary delay on invalid DDB
Fix the un-necessary wait for completion of a sendtarget on an
invalid DDB entry. The state of an invalid DDB entry is 0 (unassigned)
This will also avoid the delays during system boot.
Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_mbx.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_os.c | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c index e1e66a45e4d0..eaf21852887c 100644 --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -661,6 +661,8 @@ int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha, } memset(&mbox_cmd, 0, sizeof(mbox_cmd)); memset(&mbox_sts, 0, sizeof(mbox_sts)); + if (fw_ddb_entry) + memset(fw_ddb_entry, 0, sizeof(struct dev_db_entry)); mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY; mbox_cmd[1] = (uint32_t) fw_ddb_index; diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index c1189e5fab14..089443add47f 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -4090,6 +4090,10 @@ static void qla4xxx_build_st_list(struct scsi_qla_host *ha, if (ret == QLA_ERROR) break; + /* Ignore DDB if invalid state (unassigned) */ + if (state == DDB_DS_UNASSIGNED) + goto continue_next_st; + /* Check if ST, add to the list_st */ if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) goto continue_next_st; |
