From: Kashyap, Desai <kashyap.desai@lsi.com>
Date: Wed, 17 Mar 2010 10:53:36 +0000 (+0530)
Subject: [SCSI] mpt2sas: Early return from function if shost is in recovery.
X-Git-Tag: v2.6.35-rc1~470^2^2~140
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6558bbb1457d2f33e233f9ed7bcf17fe96b93878;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git

[SCSI] mpt2sas: Early return from function if shost is in recovery.

Aded checks for shost_recovery flag for early return from function.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---

diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 9ad4b48..b7b6285 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -3521,7 +3521,9 @@ mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc)
 	    __func__));
 
 	_base_mask_interrupts(ioc);
+	ioc->shost_recovery = 1;
 	_base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
+	ioc->shost_recovery = 0;
 	if (ioc->pci_irq) {
 		synchronize_irq(pdev->irq);
 		free_irq(ioc->pci_irq, ioc);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index f3ce9b1..6119975 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -1979,7 +1979,7 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
 		return;
 	}
 
-	if (ioc->shost_recovery) {
+	if (ioc->shost_recovery || ioc->remove_host) {
 		printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
 		    __func__, ioc->name);
 		return;
@@ -4246,7 +4246,7 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
 		_scsih_sas_topology_change_event_debug(ioc, event_data);
 #endif
 
-	if (ioc->shost_recovery)
+	if (ioc->shost_recovery || ioc->remove_host)
 		return;
 
 	if (!ioc->sas_hba.num_phys)
@@ -4285,7 +4285,7 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
 			    "expander event\n", ioc->name));
 			return;
 		}
-		if (ioc->shost_recovery)
+		if (ioc->shost_recovery || ioc->remove_host)
 			return;
 		phy_number = event_data->StartPhyNum + i;
 		reason_code = event_data->PHY[i].PhyStatus &