Properly check FC_RESID for any non-transfered bytes
regardless of firmware completion status.
Signed-off-by: Andrew Vasquez <andrew.vasquez@xxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_isr.c | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
cbf1620234849d5f2adc85e893f84877cd2e5296
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 09afc0f..5181d96 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -909,6 +909,21 @@ qla2x00_status_entry(scsi_qla_host_t *ha
resid = resid_len;
cp->resid = resid;
CMD_RESID_LEN(cp) = resid;
+
+ if (!lscsi_status &&
+ ((unsigned)(cp->request_bufflen - resid) <
+ cp->underflow)) {
+ qla_printk(KERN_INFO, ha,
+ "scsi(%ld:%d:%d:%d): Mid-layer underflow "
+ "detected (%x of %x bytes)...returning "
+ "error status.\n", ha->host_no,
+ cp->device->channel, cp->device->id,
+ cp->device->lun, resid,
+ cp->request_bufflen);
+
+ cp->result = DID_ERROR << 16;
+ break;
+ }
}
cp->result = DID_OK << 16 | lscsi_status;
--
0.99.9.GIT
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