[PATCH 2.6.13-rc3 2/6] failure of acpi_register_gsi() should be handled properly - change acpi pci code

[Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>]

This patch adds the error check of acpi_register_gsi() into
acpi_pci_enable_irq().

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>


---

 linux-2.6.13-rc3-kanesige/drivers/acpi/pci_irq.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletion(-)

diff -puN drivers/acpi/pci_irq.c~handle-error-acpi_register_gsi-acpi_pci_enable_irq drivers/acpi/pci_irq.c
--- linux-2.6.13-rc3/drivers/acpi/pci_irq.c~handle-error-acpi_register_gsi-acpi_pci_enable_irq	2005-07-28 01:01:15.000000000 +0900
+++ linux-2.6.13-rc3-kanesige/drivers/acpi/pci_irq.c	2005-07-28 01:01:15.000000000 +0900
@@ -392,6 +392,7 @@ acpi_pci_irq_enable (
 	int			edge_level = ACPI_LEVEL_SENSITIVE;
 	int			active_high_low = ACPI_ACTIVE_LOW;
 	char			*link = NULL;
+	int			rc;
 
 	ACPI_FUNCTION_TRACE("acpi_pci_irq_enable");
 
@@ -444,7 +445,13 @@ acpi_pci_irq_enable (
 		}
  	}
 
-	dev->irq = acpi_register_gsi(irq, edge_level, active_high_low);
+	rc = acpi_register_gsi(irq, edge_level, active_high_low);
+	if (rc < 0) {
+		printk(KERN_WARNING PREFIX "PCI Interrupt %s[%c]: failed "
+		       "to register GSI\n", pci_name(dev), ('A' + pin));
+		return_VALUE(rc);
+	}
+	dev->irq = rc;
 
 	printk(KERN_INFO PREFIX "PCI Interrupt %s[%c] -> ",
 		pci_name(dev), 'A' + pin);

_


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