diff options
Diffstat (limited to 'drivers/acpi/acpica/rslist.c')
| -rw-r--r-- | drivers/acpi/acpica/rslist.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/rslist.c b/drivers/acpi/acpica/rslist.c index ee2e206fc6c..77291293af6 100644 --- a/drivers/acpi/acpica/rslist.c +++ b/drivers/acpi/acpica/rslist.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2013, Intel Corp. + * Copyright (C) 2000 - 2014, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -178,6 +178,14 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource, return_ACPI_STATUS(AE_BAD_DATA); } + /* Sanity check the length. It must not be zero, or we loop forever */ + + if (!resource->length) { + ACPI_ERROR((AE_INFO, + "Invalid zero length descriptor in resource list\n")); + return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH); + } + /* Perform the conversion */ if (resource->type == ACPI_RESOURCE_TYPE_SERIAL_BUS) { |