Commit 4bdae98f authored by Shaohua Li's avatar Shaohua Li Committed by Len Brown
Browse files

ACPI: fix acpi_hest_firmware_first_pci() caused oops 



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

Signed-off-by: default avatarShaohua Li <shaohua.li@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 97c227cb

drivers/acpi/hest.c

+4 −0
Original line number Diff line number Diff line
@@ -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)) {