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| author | Andrew Vasquez <andrew.vasquez@qlogic.com> | 2005-12-06 10:58:06 -0800 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.(none)> | 2005-12-07 09:33:17 -0500 |
| commit | 0da69df1e54146eece38e0a144051f6dd3526821 (patch) | |
| tree | 80efaa4061980dea9638719923cd98ee7ab750b7 | |
| parent | 23443b1d6130eff8e1335e4f84eaf0577a331dcf (diff) | |
| download | linux-0da69df1e54146eece38e0a144051f6dd3526821.tar.gz linux-0da69df1e54146eece38e0a144051f6dd3526821.tar.bz2 linux-0da69df1e54146eece38e0a144051f6dd3526821.zip | |
[SCSI] qla2xxx: Correct short-WRITE status handling.
Properly check FC_RESID for any non-transfered bytes
regardless of firmware completion status.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 09afc0f06bd4..5181d966fecb 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, void *pkt) 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; |