diff options
Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Interpreter/amfield.c')
| -rw-r--r-- | sys/contrib/dev/acpica/Subsystem/Interpreter/amfield.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Interpreter/amfield.c b/sys/contrib/dev/acpica/Subsystem/Interpreter/amfield.c index b99df95..62c77a7 100644 --- a/sys/contrib/dev/acpica/Subsystem/Interpreter/amfield.c +++ b/sys/contrib/dev/acpica/Subsystem/Interpreter/amfield.c @@ -1,7 +1,7 @@ /****************************************************************************** * * Module Name: amfield - ACPI AML (p-code) execution - field manipulation - * $Revision: 75 $ + * $Revision: 77 $ * *****************************************************************************/ @@ -9,7 +9,7 @@ * * 1. Copyright Notice * - * Some or all of this work - Copyright (c) 1999, 2000, Intel Corp. + * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp. * All rights reserved. * * 2. License @@ -293,7 +293,8 @@ AcpiAmlAccessNamedField ( FUNCTION_TRACE_PTR ("AmlAccessNamedField", NamedField); - /* Basic data checking */ + /* Parameter validation */ + if ((!NamedField) || (ACPI_READ == Mode && !Buffer)) { DEBUG_PRINT (ACPI_ERROR, @@ -375,7 +376,7 @@ AcpiAmlAccessNamedField ( /* TBD: should these round down to a power of 2? */ - if (DIV_8(BitGranularity) > ByteFieldLength) + if (DIV_8 (BitGranularity) > ByteFieldLength) { DEBUG_PRINT (ACPI_INFO, ("AmlAccessNamedField: Bit granularity %X truncated to %X\n", |
