[SCSI] qla2xxx: Properly check FCP_RSP response-info field after TMF completion.
Original code discarded response-info field information and
assumed the command completed successfully without verifying the
target's status within the FCP_RSP packet.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index a10d41b..791f792 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -2318,6 +2318,7 @@
{
int rval, rval2;
struct tsk_mgmt_cmd *tsk;
+ struct sts_entry_24xx *sts;
dma_addr_t tsk_dma;
scsi_qla_host_t *vha;
struct qla_hw_data *ha;
@@ -2357,20 +2358,37 @@
sizeof(tsk->p.tsk.lun));
}
+ sts = &tsk->p.sts;
rval = qla2x00_issue_iocb(vha, tsk, tsk_dma, 0);
if (rval != QLA_SUCCESS) {
DEBUG2_3_11(printk("%s(%ld): failed to issue %s Reset IOCB "
"(%x).\n", __func__, vha->host_no, name, rval));
- } else if (tsk->p.sts.entry_status != 0) {
+ } else if (sts->entry_status != 0) {
DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
"-- error status (%x).\n", __func__, vha->host_no,
- tsk->p.sts.entry_status));
+ sts->entry_status));
rval = QLA_FUNCTION_FAILED;
- } else if (tsk->p.sts.comp_status !=
+ } else if (sts->comp_status !=
__constant_cpu_to_le16(CS_COMPLETE)) {
DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
"-- completion status (%x).\n", __func__,
- vha->host_no, le16_to_cpu(tsk->p.sts.comp_status)));
+ vha->host_no, le16_to_cpu(sts->comp_status)));
+ rval = QLA_FUNCTION_FAILED;
+ } else if (!(le16_to_cpu(sts->scsi_status) &
+ SS_RESPONSE_INFO_LEN_VALID)) {
+ DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
+ "-- no response info (%x).\n", __func__, vha->host_no,
+ le16_to_cpu(sts->scsi_status)));
+ rval = QLA_FUNCTION_FAILED;
+ } else if (le32_to_cpu(sts->rsp_data_len) < 4) {
+ DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
+ "-- not enough response info (%d).\n", __func__,
+ vha->host_no, le32_to_cpu(sts->rsp_data_len)));
+ rval = QLA_FUNCTION_FAILED;
+ } else if (sts->data[3]) {
+ DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
+ "-- response (%x).\n", __func__,
+ vha->host_no, sts->data[3]));
rval = QLA_FUNCTION_FAILED;
}