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path: root/drivers/scsi/libsas/sas_task.c
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Diffstat (limited to 'drivers/scsi/libsas/sas_task.c')
-rw-r--r--drivers/scsi/libsas/sas_task.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/scsi/libsas/sas_task.c b/drivers/scsi/libsas/sas_task.c
index 2966ead1d421..e9d291007817 100644
--- a/drivers/scsi/libsas/sas_task.c
+++ b/drivers/scsi/libsas/sas_task.c
@@ -15,11 +15,14 @@ void sas_ssp_task_response(struct device *dev, struct sas_task *task,
tstat->resp = SAS_TASK_COMPLETE;
- if (iu->datapres == 0)
+ switch (iu->datapres) {
+ case SAS_DATAPRES_NO_DATA:
tstat->stat = iu->status;
- else if (iu->datapres == 1)
+ break;
+ case SAS_DATAPRES_RESPONSE_DATA:
tstat->stat = iu->resp_data[3];
- else if (iu->datapres == 2) {
+ break;
+ case SAS_DATAPRES_SENSE_DATA:
tstat->stat = SAS_SAM_STAT_CHECK_CONDITION;
tstat->buf_valid_size =
min_t(int, SAS_STATUS_BUF_SIZE,
@@ -29,10 +32,11 @@ void sas_ssp_task_response(struct device *dev, struct sas_task *task,
if (iu->status != SAM_STAT_CHECK_CONDITION)
dev_warn(dev, "dev %016llx sent sense data, but stat(0x%x) is not CHECK CONDITION\n",
SAS_ADDR(task->dev->sas_addr), iu->status);
- }
- else
+ break;
+ default:
/* when datapres contains corrupt/unknown value... */
tstat->stat = SAS_SAM_STAT_CHECK_CONDITION;
+ }
}
EXPORT_SYMBOL_GPL(sas_ssp_task_response);