24 files changed, 296 insertions, 176 deletions

diff --git a/drivers/scsi/bfa/bfa.h b/drivers/scsi/bfa/bfa.h
index 7bd2ba1ad..f30fe324e 100644
--- a/drivers/scsi/bfa/bfa.h
+++ b/drivers/scsi/bfa/bfa.h
@@ -20,7 +20,6 @@
 struct bfa_s;
 
 typedef void (*bfa_isr_func_t) (struct bfa_s *bfa, struct bfi_msg_s *m);
-typedef void (*bfa_cb_cbfn_status_t) (void *cbarg, bfa_status_t status);
 
 /*
  * Interrupt message handlers
@@ -437,4 +436,12 @@ struct bfa_cb_pending_q_s {
 	(__qe)->data = (__data);				\
 } while (0)
 
+#define bfa_pending_q_init_status(__qe, __cbfn, __cbarg, __data) do {	\
+	bfa_q_qe_init(&((__qe)->hcb_qe.qe));			\
+	(__qe)->hcb_qe.cbfn_status = (__cbfn);			\
+	(__qe)->hcb_qe.cbarg = (__cbarg);			\
+	(__qe)->hcb_qe.pre_rmv = BFA_TRUE;			\
+	(__qe)->data = (__data);				\
+} while (0)
+
 #endif /* __BFA_H__ */
diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c
index 6846ca8f7..3438d0b8b 100644
--- a/drivers/scsi/bfa/bfa_core.c
+++ b/drivers/scsi/bfa/bfa_core.c
@@ -1907,15 +1907,13 @@ bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q)
 	struct list_head		*qe;
 	struct list_head		*qen;
 	struct bfa_cb_qe_s	*hcb_qe;
-	bfa_cb_cbfn_status_t	cbfn;
 
 	list_for_each_safe(qe, qen, comp_q) {
 		hcb_qe = (struct bfa_cb_qe_s *) qe;
 		if (hcb_qe->pre_rmv) {
 			/* qe is invalid after return, dequeue before cbfn() */
 			list_del(qe);
-			cbfn = (bfa_cb_cbfn_status_t)(hcb_qe->cbfn);
-			cbfn(hcb_qe->cbarg, hcb_qe->fw_status);
+			hcb_qe->cbfn_status(hcb_qe->cbarg, hcb_qe->fw_status);
 		} else
 			hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE);
 	}
diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h
index 933a1c389..5e568d6d7 100644
--- a/drivers/scsi/bfa/bfa_ioc.h
+++ b/drivers/scsi/bfa/bfa_ioc.h
@@ -361,14 +361,18 @@ struct bfa_reqq_wait_s {
 	void	*cbarg;
 };
 
-typedef void	(*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete);
+typedef void (*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete);
+typedef void (*bfa_cb_cbfn_status_t) (void *cbarg, bfa_status_t status);
 
 /*
  * Generic BFA callback element.
  */
 struct bfa_cb_qe_s {
 	struct list_head	qe;
-	bfa_cb_cbfn_t	cbfn;
+	union {
+		bfa_cb_cbfn_status_t	cbfn_status;
+		bfa_cb_cbfn_t		cbfn;
+	};
 	bfa_boolean_t	once;
 	bfa_boolean_t	pre_rmv;	/* set for stack based qe(s) */
 	bfa_status_t	fw_status;	/* to access fw status in comp proc */
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c
index be8dfbe13..524e4e697 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -2135,8 +2135,7 @@ bfad_iocmd_fcport_get_stats(struct bfad_s *bfad, void *cmd)
 	struct bfa_cb_pending_q_s cb_qe;
 
 	init_completion(&fcomp.comp);
-	bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp,
-			   &fcomp, &iocmd->stats);
+	bfa_pending_q_init_status(&cb_qe, bfad_hcb_comp, &fcomp, &iocmd->stats);
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	iocmd->status = bfa_fcport_get_stats(&bfad->bfa, &cb_qe);
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
@@ -2159,7 +2158,7 @@ bfad_iocmd_fcport_reset_stats(struct bfad_s *bfad, void *cmd)
 	struct bfa_cb_pending_q_s cb_qe;
 
 	init_completion(&fcomp.comp);
-	bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp, &fcomp, NULL);
+	bfa_pending_q_init_status(&cb_qe, bfad_hcb_comp, &fcomp, NULL);
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	iocmd->status = bfa_fcport_clear_stats(&bfad->bfa, &cb_qe);
@@ -2443,8 +2442,7 @@ bfad_iocmd_qos_get_stats(struct bfad_s *bfad, void *cmd)
 	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
 
 	init_completion(&fcomp.comp);
-	bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp,
-			   &fcomp, &iocmd->stats);
+	bfa_pending_q_init_status(&cb_qe, bfad_hcb_comp, &fcomp, &iocmd->stats);
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	WARN_ON(!bfa_ioc_get_fcmode(&bfad->bfa.ioc));
@@ -2474,8 +2472,7 @@ bfad_iocmd_qos_reset_stats(struct bfad_s *bfad, void *cmd)
 	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
 
 	init_completion(&fcomp.comp);
-	bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp,
-			   &fcomp, NULL);
+	bfa_pending_q_init_status(&cb_qe, bfad_hcb_comp, &fcomp, NULL);
 
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	WARN_ON(!bfa_ioc_get_fcmode(&bfad->bfa.ioc));
diff --git a/drivers/scsi/csiostor/csio_defs.h b/drivers/scsi/csiostor/csio_defs.h
index c38017b4a..e50e93e7f 100644
--- a/drivers/scsi/csiostor/csio_defs.h
+++ b/drivers/scsi/csiostor/csio_defs.h
@@ -73,7 +73,21 @@ csio_list_deleted(struct list_head *list)
 #define csio_list_prev(elem)	(((struct list_head *)(elem))->prev)
 
 /* State machine */
-typedef void (*csio_sm_state_t)(void *, uint32_t);
+struct csio_lnode;
+
+/* State machine evets */
+enum csio_ln_ev {
+	CSIO_LNE_NONE = (uint32_t)0,
+	CSIO_LNE_LINKUP,
+	CSIO_LNE_FAB_INIT_DONE,
+	CSIO_LNE_LINK_DOWN,
+	CSIO_LNE_DOWN_LINK,
+	CSIO_LNE_LOGO,
+	CSIO_LNE_CLOSE,
+	CSIO_LNE_MAX_EVENT,
+};
+
+typedef void (*csio_sm_state_t)(struct csio_lnode *ln, enum csio_ln_ev evt);
 
 struct csio_sm {
 	struct list_head	sm_list;
@@ -83,7 +97,7 @@ struct csio_sm {
 static inline void
 csio_set_state(void *smp, void *state)
 {
-	((struct csio_sm *)smp)->sm_state = (csio_sm_state_t)state;
+	((struct csio_sm *)smp)->sm_state = state;
 }
 
 static inline void
diff --git a/drivers/scsi/csiostor/csio_lnode.c b/drivers/scsi/csiostor/csio_lnode.c
index d5ac93897..5b3ffefae 100644
--- a/drivers/scsi/csiostor/csio_lnode.c
+++ b/drivers/scsi/csiostor/csio_lnode.c
@@ -1095,7 +1095,7 @@ csio_handle_link_down(struct csio_hw *hw, uint8_t portid, uint32_t fcfi,
 int
 csio_is_lnode_ready(struct csio_lnode *ln)
 {
-	return (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_ready));
+	return (csio_get_state(ln) == csio_lns_ready);
 }
 
 /*****************************************************************************/
@@ -1366,15 +1366,15 @@ csio_free_fcfinfo(struct kref *kref)
 void
 csio_lnode_state_to_str(struct csio_lnode *ln, int8_t *str)
 {
-	if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_uninit)) {
+	if (csio_get_state(ln) == csio_lns_uninit) {
 		strcpy(str, "UNINIT");
 		return;
 	}
-	if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_ready)) {
+	if (csio_get_state(ln) == csio_lns_ready) {
 		strcpy(str, "READY");
 		return;
 	}
-	if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_offline)) {
+	if (csio_get_state(ln) == csio_lns_offline) {
 		strcpy(str, "OFFLINE");
 		return;
 	}
diff --git a/drivers/scsi/csiostor/csio_lnode.h b/drivers/scsi/csiostor/csio_lnode.h
index 372a67d12..607698a0f 100644
--- a/drivers/scsi/csiostor/csio_lnode.h
+++ b/drivers/scsi/csiostor/csio_lnode.h
@@ -53,19 +53,6 @@
 extern int csio_fcoe_rnodes;
 extern int csio_fdmi_enable;
 
-/* State machine evets */
-enum csio_ln_ev {
-	CSIO_LNE_NONE = (uint32_t)0,
-	CSIO_LNE_LINKUP,
-	CSIO_LNE_FAB_INIT_DONE,
-	CSIO_LNE_LINK_DOWN,
-	CSIO_LNE_DOWN_LINK,
-	CSIO_LNE_LOGO,
-	CSIO_LNE_CLOSE,
-	CSIO_LNE_MAX_EVENT,
-};
-
-
 struct csio_fcf_info {
 	struct list_head	list;
 	uint8_t			priority;
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 8b825364b..c785493b1 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -353,12 +353,13 @@ static void scsi_host_dev_release(struct device *dev)
 
 	if (shost->shost_state == SHOST_CREATED) {
 		/*
-		 * Free the shost_dev device name here if scsi_host_alloc()
-		 * and scsi_host_put() have been called but neither
+		 * Free the shost_dev device name and remove the proc host dir
+		 * here if scsi_host_{alloc,put}() have been called but neither
 		 * scsi_host_add() nor scsi_host_remove() has been called.
 		 * This avoids that the memory allocated for the shost_dev
-		 * name is leaked.
+		 * name as well as the proc dir structure are leaked.
 		 */
+		scsi_proc_hostdir_rm(shost->hostt);
 		kfree(dev_name(&shost->shost_dev));
 	}
 
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 63a23251f..4b5ceba68 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -1651,6 +1651,16 @@ out_err:
 
 /* ---------- Domain revalidation ---------- */
 
+static void sas_get_sas_addr_and_dev_type(struct smp_disc_resp *disc_resp,
+					  u8 *sas_addr,
+					  enum sas_device_type *type)
+{
+	memcpy(sas_addr, disc_resp->disc.attached_sas_addr, SAS_ADDR_SIZE);
+	*type = to_dev_type(&disc_resp->disc);
+	if (*type == SAS_PHY_UNUSED)
+		memset(sas_addr, 0, SAS_ADDR_SIZE);
+}
+
 static int sas_get_phy_discover(struct domain_device *dev,
 				int phy_id, struct smp_disc_resp *disc_resp)
 {
@@ -1704,13 +1714,8 @@ int sas_get_phy_attached_dev(struct domain_device *dev, int phy_id,
 		return -ENOMEM;
 
 	res = sas_get_phy_discover(dev, phy_id, disc_resp);
-	if (res == 0) {
-		memcpy(sas_addr, disc_resp->disc.attached_sas_addr,
-		       SAS_ADDR_SIZE);
-		*type = to_dev_type(&disc_resp->disc);
-		if (*type == 0)
-			memset(sas_addr, 0, SAS_ADDR_SIZE);
-	}
+	if (res == 0)
+		sas_get_sas_addr_and_dev_type(disc_resp, sas_addr, type);
 	kfree(disc_resp);
 	return res;
 }
@@ -1972,6 +1977,7 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id,
 	struct expander_device *ex = &dev->ex_dev;
 	struct ex_phy *phy = &ex->ex_phy[phy_id];
 	enum sas_device_type type = SAS_PHY_UNUSED;
+	struct smp_disc_resp *disc_resp;
 	u8 sas_addr[SAS_ADDR_SIZE];
 	char msg[80] = "";
 	int res;
@@ -1983,33 +1989,41 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id,
 		 SAS_ADDR(dev->sas_addr), phy_id, msg);
 
 	memset(sas_addr, 0, SAS_ADDR_SIZE);
-	res = sas_get_phy_attached_dev(dev, phy_id, sas_addr, &type);
+	disc_resp = alloc_smp_resp(DISCOVER_RESP_SIZE);
+	if (!disc_resp)
+		return -ENOMEM;
+
+	res = sas_get_phy_discover(dev, phy_id, disc_resp);
 	switch (res) {
 	case SMP_RESP_NO_PHY:
 		phy->phy_state = PHY_NOT_PRESENT;
 		sas_unregister_devs_sas_addr(dev, phy_id, last);
-		return res;
+		goto out_free_resp;
 	case SMP_RESP_PHY_VACANT:
 		phy->phy_state = PHY_VACANT;
 		sas_unregister_devs_sas_addr(dev, phy_id, last);
-		return res;
+		goto out_free_resp;
 	case SMP_RESP_FUNC_ACC:
 		break;
 	case -ECOMM:
 		break;
 	default:
-		return res;
+		goto out_free_resp;
 	}
 
+	if (res == 0)
+		sas_get_sas_addr_and_dev_type(disc_resp, sas_addr, &type);
+
 	if ((SAS_ADDR(sas_addr) == 0) || (res == -ECOMM)) {
 		phy->phy_state = PHY_EMPTY;
 		sas_unregister_devs_sas_addr(dev, phy_id, last);
 		/*
-		 * Even though the PHY is empty, for convenience we discover
-		 * the PHY to update the PHY info, like negotiated linkrate.
+		 * Even though the PHY is empty, for convenience we update
+		 * the PHY info, like negotiated linkrate.
 		 */
-		sas_ex_phy_discover(dev, phy_id);
-		return res;
+		if (res == 0)
+			sas_set_ex_phy(dev, phy_id, disc_resp);
+		goto out_free_resp;
 	} else if (SAS_ADDR(sas_addr) == SAS_ADDR(phy->attached_sas_addr) &&
 		   dev_type_flutter(type, phy->attached_dev_type)) {
 		struct domain_device *ata_dev = sas_ex_to_ata(dev, phy_id);
@@ -2021,7 +2035,7 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id,
 			action = ", needs recovery";
 		pr_debug("ex %016llx phy%02d broadcast flutter%s\n",
 			 SAS_ADDR(dev->sas_addr), phy_id, action);
-		return res;
+		goto out_free_resp;
 	}
 
 	/* we always have to delete the old device when we went here */
@@ -2030,7 +2044,10 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id,
 		SAS_ADDR(phy->attached_sas_addr));
 	sas_unregister_devs_sas_addr(dev, phy_id, last);
 
-	return sas_discover_new(dev, phy_id);
+	res = sas_discover_new(dev, phy_id);
+out_free_resp:
+	kfree(disc_resp);
+	return res;
 }
 
 /**
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index b54fafb48..2373dad01 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -3169,10 +3169,10 @@ lpfc_bsg_diag_loopback_run(struct bsg_job *job)
 	}
 
 	cmdwqe = &cmdiocbq->wqe;
-	memset(cmdwqe, 0, sizeof(union lpfc_wqe));
+	memset(cmdwqe, 0, sizeof(*cmdwqe));
 	if (phba->sli_rev < LPFC_SLI_REV4) {
 		rspwqe = &rspiocbq->wqe;
-		memset(rspwqe, 0, sizeof(union lpfc_wqe));
+		memset(rspwqe, 0, sizeof(*rspwqe));
 	}
 
 	INIT_LIST_HEAD(&head);
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c
index f7cfac0da..1c64da3b2 100644
--- a/drivers/scsi/lpfc/lpfc_nvmet.c
+++ b/drivers/scsi/lpfc/lpfc_nvmet.c
@@ -1586,7 +1586,7 @@ lpfc_nvmet_setup_io_context(struct lpfc_hba *phba)
 		wqe = &nvmewqe->wqe;
 
 		/* Initialize WQE */
-		memset(wqe, 0, sizeof(union lpfc_wqe));
+		memset(wqe, 0, sizeof(*wqe));
 
 		ctx_buf->iocbq->cmd_dmabuf = NULL;
 		spin_lock(&phba->sli4_hba.sgl_list_lock);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 809be43f4..8e6ac08e5 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -7398,7 +7398,9 @@ _base_wait_for_iocstate(struct MPT3SAS_ADAPTER *ioc, int timeout)
 		return -EFAULT;
 	}
 
- issue_diag_reset:
+	return 0;
+
+issue_diag_reset:
 	rc = _base_diag_reset(ioc);
 	return rc;
 }
diff --git a/drivers/scsi/myrb.c b/drivers/scsi/myrb.c
index e885c1dbf..e2f1b186e 100644
--- a/drivers/scsi/myrb.c
+++ b/drivers/scsi/myrb.c
@@ -1775,9 +1775,9 @@ static ssize_t raid_state_show(struct device *dev,
 
 		name = myrb_devstate_name(ldev_info->state);
 		if (name)
-			ret = snprintf(buf, 32, "%s\n", name);
+			ret = snprintf(buf, 64, "%s\n", name);
 		else
-			ret = snprintf(buf, 32, "Invalid (%02X)\n",
+			ret = snprintf(buf, 64, "Invalid (%02X)\n",
 				       ldev_info->state);
 	} else {
 		struct myrb_pdev_state *pdev_info = sdev->hostdata;
@@ -1796,9 +1796,9 @@ static ssize_t raid_state_show(struct device *dev,
 		else
 			name = myrb_devstate_name(pdev_info->state);
 		if (name)
-			ret = snprintf(buf, 32, "%s\n", name);
+			ret = snprintf(buf, 64, "%s\n", name);
 		else
-			ret = snprintf(buf, 32, "Invalid (%02X)\n",
+			ret = snprintf(buf, 64, "Invalid (%02X)\n",
 				       pdev_info->state);
 	}
 	return ret;
@@ -1886,11 +1886,11 @@ static ssize_t raid_level_show(struct device *dev,
 
 		name = myrb_raidlevel_name(ldev_info->raid_level);
 		if (!name)
-			return snprintf(buf, 32, "Invalid (%02X)\n",
+			return snprintf(buf, 64, "Invalid (%02X)\n",
 					ldev_info->state);
-		return snprintf(buf, 32, "%s\n", name);
+		return snprintf(buf, 64, "%s\n", name);
 	}
-	return snprintf(buf, 32, "Physical Drive\n");
+	return snprintf(buf, 64, "Physical Drive\n");
 }
 static DEVICE_ATTR_RO(raid_level);
 
@@ -1903,15 +1903,15 @@ static ssize_t rebuild_show(struct device *dev,
 	unsigned char status;
 
 	if (sdev->channel < myrb_logical_channel(sdev->host))
-		return snprintf(buf, 32, "physical device - not rebuilding\n");
+		return snprintf(buf, 64, "physical device - not rebuilding\n");
 
 	status = myrb_get_rbld_progress(cb, &rbld_buf);
 
 	if (rbld_buf.ldev_num != sdev->id ||
 	    status != MYRB_STATUS_SUCCESS)
-		return snprintf(buf, 32, "not rebuilding\n");
+		return snprintf(buf, 64, "not rebuilding\n");
 
-	return snprintf(buf, 32, "rebuilding block %u of %u\n",
+	return snprintf(buf, 64, "rebuilding block %u of %u\n",
 			rbld_buf.ldev_size - rbld_buf.blocks_left,
 			rbld_buf.ldev_size);
 }
diff --git a/drivers/scsi/myrs.c b/drivers/scsi/myrs.c
index 7eb8c39da..95e7c00cb 100644
--- a/drivers/scsi/myrs.c
+++ b/drivers/scsi/myrs.c
@@ -947,9 +947,9 @@ static ssize_t raid_state_show(struct device *dev,
 
 		name = myrs_devstate_name(ldev_info->dev_state);
 		if (name)
-			ret = snprintf(buf, 32, "%s\n", name);
+			ret = snprintf(buf, 64, "%s\n", name);
 		else
-			ret = snprintf(buf, 32, "Invalid (%02X)\n",
+			ret = snprintf(buf, 64, "Invalid (%02X)\n",
 				       ldev_info->dev_state);
 	} else {
 		struct myrs_pdev_info *pdev_info;
@@ -958,9 +958,9 @@ static ssize_t raid_state_show(struct device *dev,
 		pdev_info = sdev->hostdata;
 		name = myrs_devstate_name(pdev_info->dev_state);
 		if (name)
-			ret = snprintf(buf, 32, "%s\n", name);
+			ret = snprintf(buf, 64, "%s\n", name);
 		else
-			ret = snprintf(buf, 32, "Invalid (%02X)\n",
+			ret = snprintf(buf, 64, "Invalid (%02X)\n",
 				       pdev_info->dev_state);
 	}
 	return ret;
@@ -1066,13 +1066,13 @@ static ssize_t raid_level_show(struct device *dev,
 		ldev_info = sdev->hostdata;
 		name = myrs_raid_level_name(ldev_info->raid_level);
 		if (!name)
-			return snprintf(buf, 32, "Invalid (%02X)\n",
+			return snprintf(buf, 64, "Invalid (%02X)\n",
 					ldev_info->dev_state);
 
 	} else
 		name = myrs_raid_level_name(MYRS_RAID_PHYSICAL);
 
-	return snprintf(buf, 32, "%s\n", name);
+	return snprintf(buf, 64, "%s\n", name);
 }
 static DEVICE_ATTR_RO(raid_level);
 
@@ -1086,7 +1086,7 @@ static ssize_t rebuild_show(struct device *dev,
 	unsigned char status;
 
 	if (sdev->channel < cs->ctlr_info->physchan_present)
-		return snprintf(buf, 32, "physical device - not rebuilding\n");
+		return snprintf(buf, 64, "physical device - not rebuilding\n");
 
 	ldev_info = sdev->hostdata;
 	ldev_num = ldev_info->ldev_num;
@@ -1098,11 +1098,11 @@ static ssize_t rebuild_show(struct device *dev,
 		return -EIO;
 	}
 	if (ldev_info->rbld_active) {
-		return snprintf(buf, 32, "rebuilding block %zu of %zu\n",
+		return snprintf(buf, 64, "rebuilding block %zu of %zu\n",
 				(size_t)ldev_info->rbld_lba,
 				(size_t)ldev_info->cfg_devsize);
 	} else
-		return snprintf(buf, 32, "not rebuilding\n");
+		return snprintf(buf, 64, "not rebuilding\n");
 }
 
 static ssize_t rebuild_store(struct device *dev,
@@ -1190,7 +1190,7 @@ static ssize_t consistency_check_show(struct device *dev,
 	unsigned short ldev_num;
 
 	if (sdev->channel < cs->ctlr_info->physchan_present)
-		return snprintf(buf, 32, "physical device - not checking\n");
+		return snprintf(buf, 64, "physical device - not checking\n");
 
 	ldev_info = sdev->hostdata;
 	if (!ldev_info)
@@ -1198,11 +1198,11 @@ static ssize_t consistency_check_show(struct device *dev,
 	ldev_num = ldev_info->ldev_num;
 	myrs_get_ldev_info(cs, ldev_num, ldev_info);
 	if (ldev_info->cc_active)
-		return snprintf(buf, 32, "checking block %zu of %zu\n",
+		return snprintf(buf, 64, "checking block %zu of %zu\n",
 				(size_t)ldev_info->cc_lba,
 				(size_t)ldev_info->cfg_devsize);
 	else
-		return snprintf(buf, 32, "not checking\n");
+		return snprintf(buf, 64, "not checking\n");
 }
 
 static ssize_t consistency_check_store(struct device *dev,
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 07fbaa452..0d414c1aa 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -2741,7 +2741,13 @@ qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
 		return;
 
 	if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
-		qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
+		/* Will wait for wind down of adapter */
+		ql_dbg(ql_dbg_aer, fcport->vha, 0x900c,
+		    "%s pci offline detected (id %06x)\n", __func__,
+		    fcport->d_id.b24);
+		qla_pci_set_eeh_busy(fcport->vha);
+		qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24,
+		    0, WAIT_TARGET);
 		return;
 	}
 }
@@ -2763,7 +2769,11 @@ qla2x00_terminate_rport_io(struct fc_rport *rport)
 	vha = fcport->vha;
 
 	if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
-		qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
+		/* Will wait for wind down of adapter */
+		ql_dbg(ql_dbg_aer, fcport->vha, 0x900b,
+		    "%s pci offline detected (id %06x)\n", __func__,
+		    fcport->d_id.b24);
+		qla_pci_set_eeh_busy(vha);
 		qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24,
 			0, WAIT_TARGET);
 		return;
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 1713588f6..31c451dae 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -83,7 +83,7 @@ typedef union {
 #include "qla_nvme.h"
 #define QLA2XXX_DRIVER_NAME	"qla2xxx"
 #define QLA2XXX_APIDEV		"ql2xapidev"
-#define QLA2XXX_MANUFACTURER	"Marvell Semiconductor, Inc."
+#define QLA2XXX_MANUFACTURER	"Marvell"
 
 /*
  * We have MAILBOX_REGISTER_COUNT sized arrays in a few places,
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 2e4537f9e..73cd869ca 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -44,7 +44,7 @@ extern int qla2x00_fabric_login(scsi_qla_host_t *, fc_port_t *, uint16_t *);
 extern int qla2x00_local_device_login(scsi_qla_host_t *, fc_port_t *);
 
 extern int qla24xx_els_dcmd_iocb(scsi_qla_host_t *, int, port_id_t);
-extern int qla24xx_els_dcmd2_iocb(scsi_qla_host_t *, int, fc_port_t *, bool);
+extern int qla24xx_els_dcmd2_iocb(scsi_qla_host_t *, int, fc_port_t *);
 extern void qla2x00_els_dcmd2_free(scsi_qla_host_t *vha,
 				   struct els_plogi *els_plogi);
 
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 884ed7725..c64e44964 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1187,8 +1187,12 @@ int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
 	return rval;
 
 done_free_sp:
-	/* ref: INIT */
-	kref_put(&sp->cmd_kref, qla2x00_sp_release);
+	/*
+	 * use qla24xx_async_gnl_sp_done to purge all pending gnl request.
+	 * kref_put is call behind the scene.
+	 */
+	sp->u.iocb_cmd.u.mbx.in_mb[0] = MBS_COMMAND_ERROR;
+	qla24xx_async_gnl_sp_done(sp, QLA_COMMAND_ERROR);
 	fcport->flags &= ~(FCF_ASYNC_SENT);
 done:
 	fcport->flags &= ~(FCF_ASYNC_ACTIVE);
@@ -2666,6 +2670,40 @@ exit:
 	return rval;
 }
 
+static void qla_enable_fce_trace(scsi_qla_host_t *vha)
+{
+	int rval;
+	struct qla_hw_data *ha = vha->hw;
+
+	if (ha->fce) {
+		ha->flags.fce_enabled = 1;
+		memset(ha->fce, 0, fce_calc_size(ha->fce_bufs));
+		rval = qla2x00_enable_fce_trace(vha,
+		    ha->fce_dma, ha->fce_bufs, ha->fce_mb, &ha->fce_bufs);
+
+		if (rval) {
+			ql_log(ql_log_warn, vha, 0x8033,
+			    "Unable to reinitialize FCE (%d).\n", rval);
+			ha->flags.fce_enabled = 0;
+		}
+	}
+}
+
+static void qla_enable_eft_trace(scsi_qla_host_t *vha)
+{
+	int rval;
+	struct qla_hw_data *ha = vha->hw;
+
+	if (ha->eft) {
+		memset(ha->eft, 0, EFT_SIZE);
+		rval = qla2x00_enable_eft_trace(vha, ha->eft_dma, EFT_NUM_BUFFERS);
+
+		if (rval) {
+			ql_log(ql_log_warn, vha, 0x8034,
+			    "Unable to reinitialize EFT (%d).\n", rval);
+		}
+	}
+}
 /*
 * qla2x00_initialize_adapter
 *      Initialize board.
@@ -3669,9 +3707,8 @@ qla24xx_chip_diag(scsi_qla_host_t *vha)
 }
 
 static void
-qla2x00_init_fce_trace(scsi_qla_host_t *vha)
+qla2x00_alloc_fce_trace(scsi_qla_host_t *vha)
 {
-	int rval;
 	dma_addr_t tc_dma;
 	void *tc;
 	struct qla_hw_data *ha = vha->hw;
@@ -3700,27 +3737,17 @@ qla2x00_init_fce_trace(scsi_qla_host_t *vha)
 		return;
 	}
 
-	rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
-					ha->fce_mb, &ha->fce_bufs);
-	if (rval) {
-		ql_log(ql_log_warn, vha, 0x00bf,
-		       "Unable to initialize FCE (%d).\n", rval);
-		dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, tc_dma);
-		return;
-	}
-
 	ql_dbg(ql_dbg_init, vha, 0x00c0,
 	       "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);
 
-	ha->flags.fce_enabled = 1;
 	ha->fce_dma = tc_dma;
 	ha->fce = tc;
+	ha->fce_bufs = FCE_NUM_BUFFERS;
 }
 
 static void
-qla2x00_init_eft_trace(scsi_qla_host_t *vha)
+qla2x00_alloc_eft_trace(scsi_qla_host_t *vha)
 {
-	int rval;
 	dma_addr_t tc_dma;
 	void *tc;
 	struct qla_hw_data *ha = vha->hw;
@@ -3745,14 +3772,6 @@ qla2x00_init_eft_trace(scsi_qla_host_t *vha)
 		return;
 	}
 
-	rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
-	if (rval) {
-		ql_log(ql_log_warn, vha, 0x00c2,
-		       "Unable to initialize EFT (%d).\n", rval);
-		dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, tc_dma);
-		return;
-	}
-
 	ql_dbg(ql_dbg_init, vha, 0x00c3,
 	       "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
 
@@ -3760,13 +3779,6 @@ qla2x00_init_eft_trace(scsi_qla_host_t *vha)
 	ha->eft = tc;
 }
 
-static void
-qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
-{
-	qla2x00_init_fce_trace(vha);
-	qla2x00_init_eft_trace(vha);
-}
-
 void
 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
 {
@@ -3821,10 +3833,10 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
 		if (ha->tgt.atio_ring)
 			mq_size += ha->tgt.atio_q_length * sizeof(request_t);
 
-		qla2x00_init_fce_trace(vha);
+		qla2x00_alloc_fce_trace(vha);
 		if (ha->fce)
 			fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
-		qla2x00_init_eft_trace(vha);
+		qla2x00_alloc_eft_trace(vha);
 		if (ha->eft)
 			eft_size = EFT_SIZE;
 	}
@@ -4254,7 +4266,6 @@ qla2x00_setup_chip(scsi_qla_host_t *vha)
 	struct qla_hw_data *ha = vha->hw;
 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 	unsigned long flags;
-	uint16_t fw_major_version;
 	int done_once = 0;
 
 	if (IS_P3P_TYPE(ha)) {
@@ -4321,7 +4332,6 @@ execute_fw_with_lr:
 					goto failed;
 
 enable_82xx_npiv:
-				fw_major_version = ha->fw_major_version;
 				if (IS_P3P_TYPE(ha))
 					qla82xx_check_md_needed(vha);
 				else
@@ -4350,12 +4360,11 @@ enable_82xx_npiv:
 				if (rval != QLA_SUCCESS)
 					goto failed;
 
-				if (!fw_major_version && !(IS_P3P_TYPE(ha)))
-					qla2x00_alloc_offload_mem(vha);
-
 				if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
 					qla2x00_alloc_fw_dump(vha);
 
+				qla_enable_fce_trace(vha);
+				qla_enable_eft_trace(vha);
 			} else {
 				goto failed;
 			}
@@ -7540,12 +7549,12 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
 int
 qla2x00_abort_isp(scsi_qla_host_t *vha)
 {
-	int rval;
 	uint8_t        status = 0;
 	struct qla_hw_data *ha = vha->hw;
 	struct scsi_qla_host *vp, *tvp;
 	struct req_que *req = ha->req_q_map[0];
 	unsigned long flags;
+	fc_port_t *fcport;
 
 	if (vha->flags.online) {
 		qla2x00_abort_isp_cleanup(vha);
@@ -7614,6 +7623,15 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
 			       "ISP Abort - ISP reg disconnect post nvmram config, exiting.\n");
 			return status;
 		}
+
+		/* User may have updated [fcp|nvme] prefer in flash */
+		list_for_each_entry(fcport, &vha->vp_fcports, list) {
+			if (NVME_PRIORITY(ha, fcport))
+				fcport->do_prli_nvme = 1;
+			else
+				fcport->do_prli_nvme = 0;
+		}
+
 		if (!qla2x00_restart_isp(vha)) {
 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
 
@@ -7634,31 +7652,7 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
 
 			if (IS_QLA81XX(ha) || IS_QLA8031(ha))
 				qla2x00_get_fw_version(vha);
-			if (ha->fce) {
-				ha->flags.fce_enabled = 1;
-				memset(ha->fce, 0,
-				    fce_calc_size(ha->fce_bufs));
-				rval = qla2x00_enable_fce_trace(vha,
-				    ha->fce_dma, ha->fce_bufs, ha->fce_mb,
-				    &ha->fce_bufs);
-				if (rval) {
-					ql_log(ql_log_warn, vha, 0x8033,
-					    "Unable to reinitialize FCE "
-					    "(%d).\n", rval);
-					ha->flags.fce_enabled = 0;
-				}
-			}
 
-			if (ha->eft) {
-				memset(ha->eft, 0, EFT_SIZE);
-				rval = qla2x00_enable_eft_trace(vha,
-				    ha->eft_dma, EFT_NUM_BUFFERS);
-				if (rval) {
-					ql_log(ql_log_warn, vha, 0x8034,
-					    "Unable to reinitialize EFT "
-					    "(%d).\n", rval);
-				}
-			}
 		} else {	/* failed the ISP abort */
 			vha->flags.online = 1;
 			if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
@@ -7708,6 +7702,14 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
 				atomic_inc(&vp->vref_count);
 				spin_unlock_irqrestore(&ha->vport_slock, flags);
 
+				/* User may have updated [fcp|nvme] prefer in flash */
+				list_for_each_entry(fcport, &vp->vp_fcports, list) {
+					if (NVME_PRIORITY(ha, fcport))
+						fcport->do_prli_nvme = 1;
+					else
+						fcport->do_prli_nvme = 0;
+				}
+
 				qla2x00_vp_abort_isp(vp);
 
 				spin_lock_irqsave(&ha->vport_slock, flags);
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 9e524d52d..7bccd525e 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -2588,6 +2588,33 @@ void
 qla2x00_sp_release(struct kref *kref)
 {
 	struct srb *sp = container_of(kref, struct srb, cmd_kref);
+	struct scsi_qla_host *vha = sp->vha;
+
+	switch (sp->type) {
+	case SRB_CT_PTHRU_CMD:
+		/* GPSC & GFPNID use fcport->ct_desc.ct_sns for both req & rsp */
+		if (sp->u.iocb_cmd.u.ctarg.req &&
+			(!sp->fcport ||
+			 sp->u.iocb_cmd.u.ctarg.req != sp->fcport->ct_desc.ct_sns)) {
+			dma_free_coherent(&vha->hw->pdev->dev,
+			    sp->u.iocb_cmd.u.ctarg.req_allocated_size,
+			    sp->u.iocb_cmd.u.ctarg.req,
+			    sp->u.iocb_cmd.u.ctarg.req_dma);
+			sp->u.iocb_cmd.u.ctarg.req = NULL;
+		}
+		if (sp->u.iocb_cmd.u.ctarg.rsp &&
+			(!sp->fcport ||
+			 sp->u.iocb_cmd.u.ctarg.rsp != sp->fcport->ct_desc.ct_sns)) {
+			dma_free_coherent(&vha->hw->pdev->dev,
+			    sp->u.iocb_cmd.u.ctarg.rsp_allocated_size,
+			    sp->u.iocb_cmd.u.ctarg.rsp,
+			    sp->u.iocb_cmd.u.ctarg.rsp_dma);
+			sp->u.iocb_cmd.u.ctarg.rsp = NULL;
+		}
+		break;
+	default:
+		break;
+	}
 
 	sp->free(sp);
 }
@@ -2611,7 +2638,8 @@ static void qla2x00_els_dcmd_sp_free(srb_t *sp)
 {
 	struct srb_iocb *elsio = &sp->u.iocb_cmd;
 
-	kfree(sp->fcport);
+	if (sp->fcport)
+		qla2x00_free_fcport(sp->fcport);
 
 	if (elsio->u.els_logo.els_logo_pyld)
 		dma_free_coherent(&sp->vha->hw->pdev->dev, DMA_POOL_SIZE,
@@ -2693,7 +2721,7 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode,
 	 */
 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 	if (!sp) {
-		kfree(fcport);
+		qla2x00_free_fcport(fcport);
 		ql_log(ql_log_info, vha, 0x70e6,
 		 "SRB allocation failed\n");
 		return -ENOMEM;
@@ -2724,6 +2752,7 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode,
 	if (!elsio->u.els_logo.els_logo_pyld) {
 		/* ref: INIT */
 		kref_put(&sp->cmd_kref, qla2x00_sp_release);
+		qla2x00_free_fcport(fcport);
 		return QLA_FUNCTION_FAILED;
 	}
 
@@ -2748,6 +2777,7 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode,
 	if (rval != QLA_SUCCESS) {
 		/* ref: INIT */
 		kref_put(&sp->cmd_kref, qla2x00_sp_release);
+		qla2x00_free_fcport(fcport);
 		return QLA_FUNCTION_FAILED;
 	}
 
@@ -3013,7 +3043,7 @@ static void qla2x00_els_dcmd2_sp_done(srb_t *sp, int res)
 
 int
 qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
-    fc_port_t *fcport, bool wait)
+			fc_port_t *fcport)
 {
 	srb_t *sp;
 	struct srb_iocb *elsio = NULL;
@@ -3028,8 +3058,7 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
 	if (!sp) {
 		ql_log(ql_log_info, vha, 0x70e6,
 		 "SRB allocation failed\n");
-		fcport->flags &= ~FCF_ASYNC_ACTIVE;
-		return -ENOMEM;
+		goto done;
 	}
 
 	fcport->flags |= FCF_ASYNC_SENT;
@@ -3038,9 +3067,6 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
 	ql_dbg(ql_dbg_io, vha, 0x3073,
 	       "%s Enter: PLOGI portid=%06x\n", __func__, fcport->d_id.b24);
 
-	if (wait)
-		sp->flags = SRB_WAKEUP_ON_COMP;
-
 	sp->type = SRB_ELS_DCMD;
 	sp->name = "ELS_DCMD";
 	sp->fcport = fcport;
@@ -3056,7 +3082,7 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
 
 	if (!elsio->u.els_plogi.els_plogi_pyld) {
 		rval = QLA_FUNCTION_FAILED;
-		goto out;
+		goto done_free_sp;
 	}
 
 	resp_ptr = elsio->u.els_plogi.els_resp_pyld =
@@ -3065,7 +3091,7 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
 
 	if (!elsio->u.els_plogi.els_resp_pyld) {
 		rval = QLA_FUNCTION_FAILED;
-		goto out;
+		goto done_free_sp;
 	}
 
 	ql_dbg(ql_dbg_io, vha, 0x3073, "PLOGI %p %p\n", ptr, resp_ptr);
@@ -3080,7 +3106,6 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
 
 	if (els_opcode == ELS_DCMD_PLOGI && DBELL_ACTIVE(vha)) {
 		struct fc_els_flogi *p = ptr;
-
 		p->fl_csp.sp_features |= cpu_to_be16(FC_SP_FT_SEC);
 	}
 
@@ -3089,10 +3114,11 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
 	    (uint8_t *)elsio->u.els_plogi.els_plogi_pyld,
 	    sizeof(*elsio->u.els_plogi.els_plogi_pyld));
 
-	init_completion(&elsio->u.els_plogi.comp);
 	rval = qla2x00_start_sp(sp);
 	if (rval != QLA_SUCCESS) {
-		rval = QLA_FUNCTION_FAILED;
+		fcport->flags |= FCF_LOGIN_NEEDED;
+		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+		goto done_free_sp;
 	} else {
 		ql_dbg(ql_dbg_disc, vha, 0x3074,
 		    "%s PLOGI sent, hdl=%x, loopid=%x, to port_id %06x from port_id %06x\n",
@@ -3100,21 +3126,15 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
 		    fcport->d_id.b24, vha->d_id.b24);
 	}
 
-	if (wait) {
-		wait_for_completion(&elsio->u.els_plogi.comp);
-
-		if (elsio->u.els_plogi.comp_status != CS_COMPLETE)
-			rval = QLA_FUNCTION_FAILED;
-	} else {
-		goto done;
-	}
+	return rval;
 
-out:
-	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+done_free_sp:
 	qla2x00_els_dcmd2_free(vha, &elsio->u.els_plogi);
 	/* ref: INIT */
 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
 done:
+	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+	qla2x00_set_fcport_disc_state(fcport, DSC_DELETED);
 	return rval;
 }
 
@@ -3916,7 +3936,7 @@ qla2x00_start_sp(srb_t *sp)
 		return -EAGAIN;
 	}
 
-	pkt = __qla2x00_alloc_iocbs(sp->qpair, sp);
+	pkt = qla2x00_alloc_iocbs_ready(sp->qpair, sp);
 	if (!pkt) {
 		rval = -EAGAIN;
 		ql_log(ql_log_warn, vha, 0x700c,
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index f794f4363..1fd948598 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -194,7 +194,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 	if (ha->flags.purge_mbox || chip_reset != ha->chip_reset ||
 	    ha->flags.eeh_busy) {
 		ql_log(ql_log_warn, vha, 0xd035,
-		       "Error detected: purge[%d] eeh[%d] cmd=0x%x, Exiting.\n",
+		       "Purge mbox: purge[%d] eeh[%d] cmd=0x%x, Exiting.\n",
 		       ha->flags.purge_mbox, ha->flags.eeh_busy, mcp->mb[0]);
 		rval = QLA_ABORTED;
 		goto premature_exit;
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 25ca0544b..25d0c2bfd 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -5562,7 +5562,7 @@ qla2x00_do_work(struct scsi_qla_host *vha)
 			break;
 		case QLA_EVT_ELS_PLOGI:
 			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
-			    e->u.fcport.fcport, false);
+			    e->u.fcport.fcport);
 			break;
 		case QLA_EVT_SA_REPLACE:
 			rc = qla24xx_issue_sa_replace_iocb(vha, e);
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 5a5beb417..043cfa10c 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1079,6 +1079,16 @@ void qlt_free_session_done(struct work_struct *work)
 		    "%s: sess %p logout completed\n", __func__, sess);
 	}
 
+	/* check for any straggling io left behind */
+	if (!(sess->flags & FCF_FCP2_DEVICE) &&
+	    qla2x00_eh_wait_for_pending_commands(sess->vha, sess->d_id.b24, 0, WAIT_TARGET)) {
+		ql_log(ql_log_warn, vha, 0x3027,
+		    "IO not return. Resetting.\n");
+		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+		qla2xxx_wake_dpc(vha);
+		qla2x00_wait_for_chip_reset(vha);
+	}
+
 	if (sess->logo_ack_needed) {
 		sess->logo_ack_needed = 0;
 		qla24xx_async_notify_ack(vha, sess,
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index bab00b65b..852d509b1 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1611,6 +1611,40 @@ int scsi_add_device(struct Scsi_Host *host, uint channel,
 }
 EXPORT_SYMBOL(scsi_add_device);
 
+int scsi_resume_device(struct scsi_device *sdev)
+{
+	struct device *dev = &sdev->sdev_gendev;
+	int ret = 0;
+
+	device_lock(dev);
+
+	/*
+	 * Bail out if the device or its queue are not running. Otherwise,
+	 * the rescan may block waiting for commands to be executed, with us
+	 * holding the device lock. This can result in a potential deadlock
+	 * in the power management core code when system resume is on-going.
+	 */
+	if (sdev->sdev_state != SDEV_RUNNING ||
+	    blk_queue_pm_only(sdev->request_queue)) {
+		ret = -EWOULDBLOCK;
+		goto unlock;
+	}
+
+	if (dev->driver && try_module_get(dev->driver->owner)) {
+		struct scsi_driver *drv = to_scsi_driver(dev->driver);
+
+		if (drv->resume)
+			ret = drv->resume(dev);
+		module_put(dev->driver->owner);
+	}
+
+unlock:
+	device_unlock(dev);
+
+	return ret;
+}
+EXPORT_SYMBOL(scsi_resume_device);
+
 int scsi_rescan_device(struct scsi_device *sdev)
 {
 	struct device *dev = &sdev->sdev_gendev;
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 4433b02c8..f32236c3f 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -110,6 +110,7 @@ static int sd_suspend_system(struct device *);
 static int sd_suspend_runtime(struct device *);
 static int sd_resume_system(struct device *);
 static int sd_resume_runtime(struct device *);
+static int sd_resume(struct device *);
 static void sd_rescan(struct device *);
 static blk_status_t sd_init_command(struct scsi_cmnd *SCpnt);
 static void sd_uninit_command(struct scsi_cmnd *SCpnt);
@@ -691,6 +692,7 @@ static struct scsi_driver sd_template = {
 		.pm		= &sd_pm_ops,
 	},
 	.rescan			= sd_rescan,
+	.resume			= sd_resume,
 	.init_command		= sd_init_command,
 	.uninit_command		= sd_uninit_command,
 	.done			= sd_done,
@@ -3634,7 +3636,7 @@ static int sd_probe(struct device *dev)
 
 	error = device_add_disk(dev, gd, NULL);
 	if (error) {
-		put_device(&sdkp->disk_dev);
+		device_unregister(&sdkp->disk_dev);
 		put_disk(gd);
 		goto out;
 	}
@@ -3830,7 +3832,22 @@ static int sd_suspend_runtime(struct device *dev)
 	return sd_suspend_common(dev, true);
 }
 
-static int sd_resume(struct device *dev, bool runtime)
+static int sd_resume(struct device *dev)
+{
+	struct scsi_disk *sdkp = dev_get_drvdata(dev);
+
+	if (sdkp->device->no_start_on_resume)
+		sd_printk(KERN_NOTICE, sdkp, "Starting disk\n");
+
+	if (opal_unlock_from_suspend(sdkp->opal_dev)) {
+		sd_printk(KERN_NOTICE, sdkp, "OPAL unlock failed\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static int sd_resume_common(struct device *dev, bool runtime)
 {
 	struct scsi_disk *sdkp = dev_get_drvdata(dev);
 	int ret = 0;
@@ -3849,7 +3866,7 @@ static int sd_resume(struct device *dev, bool runtime)
 	}
 
 	if (!ret) {
-		opal_unlock_from_suspend(sdkp->opal_dev);
+		sd_resume(dev);
 		sdkp->suspended = false;
 	}
 
@@ -3868,7 +3885,7 @@ static int sd_resume_system(struct device *dev)
 		return 0;
 	}
 
-	return sd_resume(dev, false);
+	return sd_resume_common(dev, false);
 }
 
 static int sd_resume_runtime(struct device *dev)
@@ -3892,7 +3909,7 @@ static int sd_resume_runtime(struct device *dev)
 				  "Failed to clear sense data\n");
 	}
 
-	return sd_resume(dev, true);
+	return sd_resume_common(dev, true);
 }
 
 /**