diff mbox

trival: fix acpi_hest_firmware_first_pci() caused oops

Message ID 1270696575-3385-1-git-send-email-shaohua.li@intel.com (mailing list archive)
State Accepted
Headers show

Commit Message

Shaohua Li April 8, 2010, 3:16 a.m. UTC 
None
diff mbox

Patch

diff --git a/drivers/acpi/hest.c b/drivers/acpi/hest.c
index 4bb18c9..1c527a1 100644
--- a/drivers/acpi/hest.c
+++ b/drivers/acpi/hest.c
@@ -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)) {