[PATCH 18/21] aacraid: move scsi_add_host()

From: Hannes Reinecke <hare@suse.de>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>,
	James Bottomley <james.bottomley@hansenpartnership.com>,
	Bart van Assche <bvanassche@acm.org>,
	John Garry <john.garry@huawei.com>,
	Don Brace <don.brace@microchip.com>,
	linux-scsi@vger.kernel.org, Hannes Reinecke <hare@suse.de>,
	Hannes Reinecke <hare@suse.com>
Subject: [PATCH 18/21] aacraid: move scsi_add_host()
Date: Fri,  3 Jul 2020 15:01:19 +0200	[thread overview]
Message-ID: <20200703130122.111448-19-hare@suse.de> (raw)
In-Reply-To: <20200703130122.111448-1-hare@suse.de>

Move the call to scsi_add_host() so that the Scsi_Host structure
is initialized before any I/O is sent.

Signed-off-by: Hannes Reinecke <hare@suse.com>
---
 drivers/scsi/aacraid/linit.c | 31 +++++++++++++++----------------
 1 file changed, 15 insertions(+), 16 deletions(-)

diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index a308e86a97f1..91cbe479cfa8 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -1696,6 +1696,9 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	shost->irq = pdev->irq;
 	shost->unique_id = unique_id;
 	shost->max_cmd_len = 16;
+	shost->max_id = MAXIMUM_NUM_CONTAINERS;
+	shost->max_lun = AAC_MAX_LUN;
+	shost->sg_tablesize = HBA_MAX_SG_SEPARATE;
 
 	if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
 		aac_init_char();
@@ -1734,7 +1737,7 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
 	if ((*aac_drivers[index].init)(aac)) {
 		error = -ENODEV;
-		goto out_unmap;
+		goto out_free_fibs;
 	}
 
 	if (aac->sync_mode) {
@@ -1760,9 +1763,15 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		printk(KERN_ERR "aacraid: Unable to create command thread.\n");
 		error = PTR_ERR(aac->thread);
 		aac->thread = NULL;
-		goto out_deinit;
+		goto out_unmap;
 	}
 
+	pci_set_drvdata(pdev, shost);
+
+	error = scsi_add_host(shost, &pdev->dev);
+	if (error)
+		goto out_deinit;
+
 	aac->maximum_num_channels = aac_drivers[index].channels;
 	error = aac_get_adapter_info(aac);
 	if (error < 0)
@@ -1821,18 +1830,6 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
 		aac_intr_normal(aac, 0, 2, 0, NULL);
 
-	/*
-	 * dmb - we may need to move the setting of these parms somewhere else once
-	 * we get a fib that can report the actual numbers
-	 */
-	shost->max_lun = AAC_MAX_LUN;
-
-	pci_set_drvdata(pdev, shost);
-
-	error = scsi_add_host(shost, &pdev->dev);
-	if (error)
-		goto out_deinit;
-
 	aac_scan_host(aac);
 
 	pci_enable_pcie_error_reporting(pdev);
@@ -1849,10 +1846,12 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 				  aac->comm_addr, aac->comm_phys);
 	kfree(aac->queues);
 	aac_adapter_ioremap(aac, 0);
-	kfree(aac->fibs);
 	kfree(aac->fsa_dev);
+ out_free_fibs:
+	kfree(aac->fibs);
  out_free_host:
 	scsi_host_put(shost);
+	pci_set_drvdata(pdev, NULL);
  out_disable_pdev:
 	pci_disable_device(pdev);
  out:
@@ -1979,9 +1978,9 @@ static void aac_remove_one(struct pci_dev *pdev)
 	struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
 
 	aac_cancel_rescan_worker(aac);
-	scsi_remove_host(shost);
 
 	__aac_shutdown(aac);
+	scsi_remove_host(shost);
 	aac_fib_map_free(aac);
 	dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
 			  aac->comm_phys);
-- 
2.16.4

