1 files changed, 18 insertions, 12 deletions

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index f9ce31950314..1f289882a298 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -3059,6 +3059,7 @@ _scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
                 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, handle,
                         (unsigned long long)sas_address));
                 _scsih_ublock_io_device(ioc, handle);
+                sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE;
         }
 
         smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
@@ -5201,6 +5202,9 @@ _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc,
         if (sas_device_backup.starget && sas_device_backup.starget->hostdata) {
                 sas_target_priv_data = sas_device_backup.starget->hostdata;
                 sas_target_priv_data->deleted = 1;
+                _scsih_ublock_io_device(ioc, sas_device_backup.handle);
+                sas_target_priv_data->handle =
+                     MPT2SAS_INVALID_DEVICE_HANDLE;
         }
 
         _scsih_ublock_io_device(ioc, sas_device_backup.handle);
@@ -5354,7 +5358,7 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
                 _scsih_sas_topology_change_event_debug(ioc, event_data);
 #endif
 
-        if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery)
+        if (ioc->remove_host || ioc->pci_error_recovery)
                 return;
 
         if (!ioc->sas_hba.num_phys)
@@ -5415,6 +5419,9 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
                 switch (reason_code) {
                 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
 
+                        if (ioc->shost_recovery)
+                                break;
+
                         if (link_rate == prev_link_rate)
                                 break;
 
@@ -5428,6 +5435,9 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
                         break;
                 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
 
+                        if (ioc->shost_recovery)
+                                break;
+
                         mpt2sas_transport_update_links(ioc, sas_address,
                             handle, phy_number, link_rate);
 
@@ -7091,7 +7101,13 @@ mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
                 _scsih_search_responding_sas_devices(ioc);
                 _scsih_search_responding_raid_devices(ioc);
                 _scsih_search_responding_expanders(ioc);
+                if (!ioc->is_driver_loading) {
+                        _scsih_prep_device_scan(ioc);
+                        _scsih_search_responding_sas_devices(ioc);
+                        _scsih_search_responding_raid_devices(ioc);
+                        _scsih_search_responding_expanders(ioc);
                         _scsih_error_recovery_delete_devices(ioc);
+                }
                 break;
         }
 }
@@ -7126,17 +7142,7 @@ _firmware_event_work(struct work_struct *work)
                 _scsih_scan_for_devices_after_reset(ioc);
                 break;
         case MPT2SAS_PORT_ENABLE_COMPLETE:
-                if (!ioc->is_driver_loading && ioc->shost_recovery) {
-                        _scsih_prep_device_scan(ioc);
-                        _scsih_search_responding_sas_devices(ioc);
-                        _scsih_search_responding_raid_devices(ioc);
-                        _scsih_search_responding_expanders(ioc);
-                }
-
-                if (ioc->start_scan)
-                        ioc->start_scan = 0;
-                else
-                        complete(&ioc->port_enable_done);
+                ioc->start_scan = 0;