linux-kernel - [PATCH 13/17] hpsa: factor out hpsa_free_irqs_and_disable

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Message-ID: <20120420150727.10596.81269.stgit@beardog.cce.hp.com>
Date:	Fri, 20 Apr 2012 10:07:27 -0500
From:	"Stephen M. Cameron" <scameron@...rdog.cce.hp.com>
To:	james.bottomley@...senpartnership.com
Cc:	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	matthew.gates@...com, stephenmcameron@...il.com, thenzl@...hat.com,
	akpm@...ux-foundation.org, mikem@...rdog.cce.hp.com
Subject: [PATCH 13/17] hpsa: factor out hpsa_free_irqs_and_disable_msix

From: Stephen M. Cameron <scameron@...rdog.cce.hp.com>

Signed-off-by: Stephen M. Cameron <scameron@...rdog.cce.hp.com>
---
 drivers/scsi/hpsa.c |   30 ++++++++++++++++--------------
 1 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 1ec912b..2e01583 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -4485,15 +4485,23 @@ static void free_irqs(struct ctlr_info *h)
 		free_irq(h->intr[i], &h->q[i]);
 }
 
-static void hpsa_undo_allocations_after_kdump_soft_reset(struct ctlr_info *h)
+static void hpsa_free_irqs_and_disable_msix(struct ctlr_info *h)
 {
 	free_irqs(h);
-#ifdef CONFIG_PCI_MSI
-	if (h->msix_vector)
-		pci_disable_msix(h->pdev);
-	else if (h->msi_vector)
-		pci_disable_msi(h->pdev);
-#endif /* CONFIG_PCI_MSI */
+	if (!IS_ENABLED(PCI_MSI))
+		return;
+	if (h->msix_vector) {
+		if (h->pdev->msix_enabled)
+			pci_disable_msix(h->pdev);
+	} else if (h->msi_vector) {
+		if (h->pdev->msi_enabled)
+			pci_disable_msi(h->pdev);
+	}
+}
+
+static void hpsa_undo_allocations_after_kdump_soft_reset(struct ctlr_info *h)
+{
+	hpsa_free_irqs_and_disable_msix(h);
 	hpsa_free_sg_chain_blocks(h);
 	hpsa_free_cmd_pool(h);
 	kfree(h->blockFetchTable);
@@ -4848,13 +4856,7 @@ static void hpsa_shutdown(struct pci_dev *pdev)
 	 */
 	hpsa_flush_cache(h);
 	h->access.set_intr_mask(h, HPSA_INTR_OFF);
-	free_irqs(h);
-#ifdef CONFIG_PCI_MSI
-	if (h->msix_vector)
-		pci_disable_msix(h->pdev);
-	else if (h->msi_vector)
-		pci_disable_msi(h->pdev);
-#endif				/* CONFIG_PCI_MSI */
+	hpsa_free_irqs_and_disable_msix(h);
 }
 
 static void __devexit hpsa_free_device_info(struct ctlr_info *h)

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