[SCSI] qla2xxx: Extend base EEH support in qla2xxx.

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_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 21e2bc4..3a9f5b2 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -232,6 +232,9 @@
 	if (off)
 		return 0;
 
+	if (unlikely(pci_channel_offline(ha->pdev)))
+		return 0;
+
 	if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
 		return -EINVAL;
 	if (start > ha->optrom_size)
@@ -379,6 +382,9 @@
 	    struct device, kobj)));
 	struct qla_hw_data *ha = vha->hw;
 
+	if (unlikely(pci_channel_offline(ha->pdev)))
+		return 0;
+
 	if (!capable(CAP_SYS_ADMIN))
 		return 0;
 
@@ -398,6 +404,9 @@
 	struct qla_hw_data *ha = vha->hw;
 	uint8_t *tmp_data;
 
+	if (unlikely(pci_channel_offline(ha->pdev)))
+		return 0;
+
 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
 	    !ha->isp_ops->write_nvram)
 		return 0;
@@ -1238,10 +1247,11 @@
     char *buf)
 {
 	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
-	int rval;
+	int rval = QLA_FUNCTION_FAILED;
 	uint16_t state[5];
 
-	rval = qla2x00_get_firmware_state(vha, state);
+	if (!vha->hw->flags.eeh_busy)
+		rval = qla2x00_get_firmware_state(vha, state);
 	if (rval != QLA_SUCCESS)
 		memset(state, -1, sizeof(state));
 
@@ -1452,10 +1462,13 @@
 	if (!fcport)
 		return;
 
-	if (unlikely(pci_channel_offline(fcport->vha->hw->pdev)))
+	if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
+		return;
+
+	if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
 		qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
-	else
-		qla2x00_abort_fcport_cmds(fcport);
+		return;
+	}
 
 	/*
 	 * Transport has effectively 'deleted' the rport, clear
@@ -1475,6 +1488,9 @@
 	if (!fcport)
 		return;
 
+	if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
+		return;
+
 	if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
 		qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
 		return;
@@ -1515,6 +1531,12 @@
 	pfc_host_stat = &ha->fc_host_stat;
 	memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
 
+	if (test_bit(UNLOADING, &vha->dpc_flags))
+		goto done;
+
+	if (unlikely(pci_channel_offline(ha->pdev)))
+		goto done;
+
 	stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
 	if (stats == NULL) {
 		DEBUG2_3_11(printk("%s(%ld): Failed to allocate memory.\n",