diff options
Diffstat (limited to 'drivers/acpi/utilities/utalloc.c')
| -rw-r--r-- | drivers/acpi/utilities/utalloc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c index 3dfb8a442b26..7dcb67e0b215 100644 --- a/drivers/acpi/utilities/utalloc.c +++ b/drivers/acpi/utilities/utalloc.c @@ -242,6 +242,12 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer, { acpi_status status = AE_OK; + /* Parameter validation */ + + if (!buffer || !required_length) { + return (AE_BAD_PARAMETER); + } + switch (buffer->length) { case ACPI_NO_BUFFER: |