There may not be an FACS table, check for this before accessing it.

Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Andrew Turner 2015-04-28 16:06:58 +00:00
parent a3d1b9c24a
commit d8c37c3a16

View File

@ -606,7 +606,7 @@ acpi_attach(device_t dev)
sc->acpi_handle_reboot = 1;
/* Only enable S4BIOS by default if the FACS says it is available. */
if (AcpiGbl_FACS->Flags & ACPI_FACS_S4_BIOS_PRESENT)
if (AcpiGbl_FACS != NULL && AcpiGbl_FACS->Flags & ACPI_FACS_S4_BIOS_PRESENT)
sc->acpi_s4bios = 1;
/* Probe all supported sleep states. */