X-Git-Url: https://git.reactos.org/?p=reactos.git;a=blobdiff_plain;f=reactos%2Fdrivers%2Fbus%2Facpi%2Feval.c;h=68af8573f42188eb4e721cd5185943b66ee97c77;hp=5433f96a51e710d238604de7ec7c98146a868ea1;hb=e10113d22d8df87f26635d1a0e7f07c840839c23;hpb=25b4bd1bff13aa059bb6415ec3a2644628501368

diff --git a/reactos/drivers/bus/acpi/eval.c b/reactos/drivers/bus/acpi/eval.c
index 5433f96a51e..68af8573f42 100644
--- a/reactos/drivers/bus/acpi/eval.c
+++ b/reactos/drivers/bus/acpi/eval.c
@@ -93,6 +93,10 @@ Bus_PDO_EvalMethod(PPDO_DEVICE_DATA DeviceData,
       ACPI_OBJECT *Obj = RetBuff.Pointer;
       ULONG ExtraParamLength;
 
+      /* If we didn't get anything back then we're done */
+      if (!RetBuff.Pointer || RetBuff.Length == 0)
+          return STATUS_SUCCESS;
+
       switch (Obj->Type)
       {
           case ACPI_TYPE_INTEGER: