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ACPI: fix acpi_hest_firmware_first_pci() caused oops

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acpi_hest_firmware_first_pci() could be called when acpi is disabled
and cause system oops.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Shaohua Li 2010-04-08 11:16:15 +08:00 committed by Len Brown
parent 97c227cb51
commit 4bdae98f1a
1 changed files with 4 additions and 0 deletions
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4
drivers/acpi/hest.c
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@ -123,6 +123,10 @@ int acpi_hest_firmware_first_pci(struct pci_dev *pci)
{
acpi_status status = AE_NOT_FOUND;
struct acpi_table_header *hest = NULL;
if (acpi_disabled)
return 0;
status = acpi_get_table(ACPI_SIG_HEST, 1, &hest);
if (ACPI_SUCCESS(status)) {