提交 6008e96b 编写于 作者: S Satish Kharat 提交者: Martin K. Petersen

scsi: fnic: Correcting rport check location in fnic_queuecommand_lck

Signed-off-by: NSatish Kharat <satishkh@cisco.com>
Signed-off-by: NSesidhar Baddela <sebaddel@cisco.com>
Reviewed-by: NTomas Henzl <thenzl@redhat.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
上级 141f8165
......@@ -441,30 +441,38 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc, void (*done)(struct scsi_
unsigned long ptr;
spinlock_t *io_lock = NULL;
int io_lock_acquired = 0;
struct fc_rport_libfc_priv *rp;
if (unlikely(fnic_chk_state_flags_locked(fnic, FNIC_FLAGS_IO_BLOCKED)))
return SCSI_MLQUEUE_HOST_BUSY;
rport = starget_to_rport(scsi_target(sc->device));
if (!rport) {
FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
"returning DID_NO_CONNECT for IO as rport is NULL\n");
sc->result = DID_NO_CONNECT << 16;
done(sc);
return 0;
}
ret = fc_remote_port_chkready(rport);
if (ret) {
FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
"rport is not ready\n");
atomic64_inc(&fnic_stats->misc_stats.rport_not_ready);
sc->result = ret;
done(sc);
return 0;
}
if (rport) {
struct fc_rport_libfc_priv *rp = rport->dd_data;
if (!rp || rp->rp_state != RPORT_ST_READY) {
FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
rp = rport->dd_data;
if (!rp || rp->rp_state != RPORT_ST_READY) {
FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
"returning DID_NO_CONNECT for IO as rport is removed\n");
atomic64_inc(&fnic_stats->misc_stats.rport_not_ready);
sc->result = DID_NO_CONNECT<<16;
done(sc);
return 0;
}
atomic64_inc(&fnic_stats->misc_stats.rport_not_ready);
sc->result = DID_NO_CONNECT<<16;
done(sc);
return 0;
}
if (lp->state != LPORT_ST_READY || !(lp->link_up))
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册