diff options
Diffstat (limited to 'source/components/tables/tbfadt.c')
| -rw-r--r-- | source/components/tables/tbfadt.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/source/components/tables/tbfadt.c b/source/components/tables/tbfadt.c index 002b69254f85..35558a4fcda6 100644 --- a/source/components/tables/tbfadt.c +++ b/source/components/tables/tbfadt.c @@ -8,7 +8,7 @@ * * 1. Copyright Notice * - * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp. + * Some or all of this work - Copyright (c) 1999 - 2026, Intel Corp. * All rights reserved. * * 2. License @@ -736,8 +736,11 @@ AcpiTbConvertFadt ( * Note: If the legacy length field is > 0xFF bits, ignore * this check. (GPE registers can be larger than the * 64-bit GAS structure can accommodate, 0xFF bits). + * Also skip if BitWidth is 0, indicating the 64-bit field + * was not populated - legacy length will be used instead. */ if ((ACPI_MUL_8 (Length) <= ACPI_UINT8_MAX) && + (Address64->BitWidth != 0) && (Address64->BitWidth != ACPI_MUL_8 (Length))) { ACPI_BIOS_WARNING ((AE_INFO, |