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scsi: hisi_sas: fix v2 hw underflow residual value

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The value dw0 is the residual bytes when UNDERFLOW error happens, but we
filled the residual with the value of dw3 before. So change the residual
from dw3 to dw0.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Xiang Chen 2017-08-11 00:09:28 +08:00 committed by Martin K. Petersen
parent c16db73665
commit 01b361fc90
1 changed files with 2 additions and 2 deletions
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4
drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
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@ -1972,7 +1972,7 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
}
case DMA_RX_DATA_LEN_UNDERFLOW:
{
ts->residual = dma_rx_err_type;
ts->residual = trans_tx_fail_type;
ts->stat = SAS_DATA_UNDERRUN;
break;
}
@ -2098,7 +2098,7 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
}
case DMA_RX_DATA_LEN_UNDERFLOW:
{
ts->residual = dma_rx_err_type;
ts->residual = trans_tx_fail_type;
ts->stat = SAS_DATA_UNDERRUN;
break;
}