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DateThu, 28 Jul 2005 16:52:39 +0900
FromKenji Kaneshige <>
Subject[PATCH 2.6.13-rc3 2/6] failure of acpi_register_gsi() should be handled properly - change acpi pci code

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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