diff options
Diffstat (limited to 'drivers/acpi/acpica/rslist.c')
-rw-r--r-- | drivers/acpi/acpica/rslist.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/rslist.c b/drivers/acpi/acpica/rslist.c index 0307675d37be..e46efaa889cd 100644 --- a/drivers/acpi/acpica/rslist.c +++ b/drivers/acpi/acpica/rslist.c @@ -59,7 +59,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml, AML_RESOURCE_MAX_SERIALBUSTYPE) { conversion_table = NULL; } else { - /* This is an I2C, SPI, or UART serial_bus descriptor */ + /* This is an I2C, SPI, UART, or CSI2 serial_bus descriptor */ conversion_table = acpi_gbl_convert_resource_serial_bus_dispatch @@ -89,6 +89,11 @@ acpi_rs_convert_aml_to_resources(u8 * aml, return_ACPI_STATUS(status); } + if (!resource->length) { + ACPI_EXCEPTION((AE_INFO, status, + "Zero-length resource returned from RsConvertAmlToResource")); + } + ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, "Type %.2X, AmlLength %.2X InternalLength %.2X\n", acpi_ut_get_resource_type(aml), length, @@ -158,7 +163,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource, AML_RESOURCE_MAX_SERIALBUSTYPE) { conversion_table = NULL; } else { - /* This is an I2C, SPI, or UART serial_bus descriptor */ + /* This is an I2C, SPI, UART or CSI2 serial_bus descriptor */ conversion_table = acpi_gbl_convert_resource_serial_bus_dispatch |