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[SCSI] qla2xxx: Correct short-WRITE status handling.
author
Andrew Vasquez
<andrew.vasquez@qlogic.com>
Tue, 6 Dec 2005 18:58:06 +0000
(10:58 -0800)
committer
James Bottomley
<jejb@mulgrave.(none)>
Wed, 7 Dec 2005 14:33:17 +0000
(09:33 -0500)
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>
drivers/scsi/qla2xxx/qla_isr.c
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diff --git
a/drivers/scsi/qla2xxx/qla_isr.c
b/drivers/scsi/qla2xxx/qla_isr.c
index
09afc0f
..
5181d96
100644
(file)
--- 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;