[RFC PATCH 2/6] Fix parameter annotation for __FreeCapturedBuffer()

[Rafał Wojdyła <omeg@xxxxxxxxxxxxxxxxxxxxxx>]

CapturedBuffer is optional, mark it so.

Signed-off-by: Rafał Wojdyła <omeg@xxxxxxxxxxxxxxxxxxxxxx>
---
 src/xeniface/ioctls.c | 2 +-
 src/xeniface/ioctls.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/xeniface/ioctls.c b/src/xeniface/ioctls.c
index 9808adc..6298fef 100644
--- a/src/xeniface/ioctls.c
+++ b/src/xeniface/ioctls.c
@@ -79,7 +79,7 @@ __CaptureUserBuffer(
 
 VOID
 __FreeCapturedBuffer(
-    __in  PVOID CapturedBuffer
+    __in_opt  PVOID CapturedBuffer
     )
 {
     if (CapturedBuffer != NULL) {
diff --git a/src/xeniface/ioctls.h b/src/xeniface/ioctls.h
index 4c932ed..c89f173 100644
--- a/src/xeniface/ioctls.h
+++ b/src/xeniface/ioctls.h
@@ -109,7 +109,7 @@ __CaptureUserBuffer(
 
 VOID
 __FreeCapturedBuffer(
-    __in  PVOID CapturedBuffer
+    __in_opt  PVOID CapturedBuffer
     );
 
 NTSTATUS
-- 
2.40.1.windows.1