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Diffstat (limited to 'drivers/acpi/utilities/utalloc.c')
-rw-r--r--drivers/acpi/utilities/utalloc.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index e7bf34a..7dcb67e 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -242,10 +242,12 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
{
acpi_status status = AE_OK;
- if (!required_length) {
- WARN_ON(1);
- return AE_ERROR;
+ /* Parameter validation */
+
+ if (!buffer || !required_length) {
+ return (AE_BAD_PARAMETER);
}
+
switch (buffer->length) {
case ACPI_NO_BUFFER:
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