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authorViswas G <Viswas.G@microsemi.com>2017-10-18 11:39:11 +0530
committerMartin K. Petersen <martin.petersen@oracle.com>2017-10-18 20:55:42 -0400
commit1db49906d8fa87e0b04ac02417d1e864ce669cf9 (patch)
treec18402030d4268984c97efc69f7969492f94938d /drivers/scsi/pm8001/pm8001_sas.c
parent25c6edbde2946a5be57111a701a0f4fd06adf1ae (diff)
download96b-common-1db49906d8fa87e0b04ac02417d1e864ce669cf9.tar.gz
scsi: pm80xx: cleanup in pm8001_abort_task function.
Signed-off-by: Deepak Ukey <deepak.ukey@microsemi.com> Signed-off-by: Viswas G <Viswas.G@microsemi.com> Acked-by: Jack Wang <jinpu.wang@profitbricks.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/pm8001/pm8001_sas.c')
-rw-r--r--drivers/scsi/pm8001/pm8001_sas.c51
1 files changed, 13 insertions, 38 deletions
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index ce584c31d36e..a7626a851b62 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -1159,40 +1159,34 @@ int pm8001_query_task(struct sas_task *task)
int pm8001_abort_task(struct sas_task *task)
{
unsigned long flags;
- u32 tag = 0xdeadbeef;
+ u32 tag;
u32 device_id;
struct domain_device *dev ;
- struct pm8001_hba_info *pm8001_ha = NULL;
- struct pm8001_ccb_info *ccb;
+ struct pm8001_hba_info *pm8001_ha;
struct scsi_lun lun;
struct pm8001_device *pm8001_dev;
struct pm8001_tmf_task tmf_task;
int rc = TMF_RESP_FUNC_FAILED;
if (unlikely(!task || !task->lldd_task || !task->dev))
- return rc;
+ return TMF_RESP_FUNC_FAILED;
+ dev = task->dev;
+ pm8001_dev = dev->lldd_dev;
+ pm8001_ha = pm8001_find_ha_by_dev(dev);
+ device_id = pm8001_dev->device_id;
+ rc = pm8001_find_tag(task, &tag);
+ if (rc == 0) {
+ pm8001_printk("no tag for task:%p\n", task);
+ return TMF_RESP_FUNC_FAILED;
+ }
spin_lock_irqsave(&task->task_state_lock, flags);
if (task->task_state_flags & SAS_TASK_STATE_DONE) {
spin_unlock_irqrestore(&task->task_state_lock, flags);
- rc = TMF_RESP_FUNC_COMPLETE;
- goto out;
+ return TMF_RESP_FUNC_COMPLETE;
}
spin_unlock_irqrestore(&task->task_state_lock, flags);
if (task->task_proto & SAS_PROTOCOL_SSP) {
struct scsi_cmnd *cmnd = task->uldd_task;
- dev = task->dev;
- ccb = task->lldd_task;
- pm8001_dev = dev->lldd_dev;
- pm8001_ha = pm8001_find_ha_by_dev(dev);
int_to_scsilun(cmnd->device->lun, &lun);
- rc = pm8001_find_tag(task, &tag);
- if (rc == 0) {
- printk(KERN_INFO "No such tag in %s\n", __func__);
- rc = TMF_RESP_FUNC_FAILED;
- return rc;
- }
- device_id = pm8001_dev->device_id;
- PM8001_EH_DBG(pm8001_ha,
- pm8001_printk("abort io to deviceid= %d\n", device_id));
tmf_task.tmf = TMF_ABORT_TASK;
tmf_task.tag_of_task_to_be_managed = tag;
rc = pm8001_issue_ssp_tmf(dev, lun.scsi_lun, &tmf_task);
@@ -1200,33 +1194,14 @@ int pm8001_abort_task(struct sas_task *task)
pm8001_dev->sas_device, 0, tag);
} else if (task->task_proto & SAS_PROTOCOL_SATA ||
task->task_proto & SAS_PROTOCOL_STP) {
- dev = task->dev;
- pm8001_dev = dev->lldd_dev;
- pm8001_ha = pm8001_find_ha_by_dev(dev);
- rc = pm8001_find_tag(task, &tag);
- if (rc == 0) {
- printk(KERN_INFO "No such tag in %s\n", __func__);
- rc = TMF_RESP_FUNC_FAILED;
- return rc;
- }
rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev,
pm8001_dev->sas_device, 0, tag);
} else if (task->task_proto & SAS_PROTOCOL_SMP) {
/* SMP */
- dev = task->dev;
- pm8001_dev = dev->lldd_dev;
- pm8001_ha = pm8001_find_ha_by_dev(dev);
- rc = pm8001_find_tag(task, &tag);
- if (rc == 0) {
- printk(KERN_INFO "No such tag in %s\n", __func__);
- rc = TMF_RESP_FUNC_FAILED;
- return rc;
- }
rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev,
pm8001_dev->sas_device, 0, tag);
}
-out:
if (rc != TMF_RESP_FUNC_COMPLETE)
pm8001_printk("rc= %d\n", rc);
return rc;