[PATCH 1/2] ShellPkg/UefiHandleParsingLib: fix IN/OUT notation in child ctrlr parsing

[Laszlo Ersek <lersek@redhat.com>]

"MatchingHandleCount" is an output parameter of
ParseHandleDatabaseForChildControllers().

Cc: Jaben Carsey <jaben.carsey@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Tapan Shah <tapandshah@hpe.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
---
 ShellPkg/Include/Library/HandleParsingLib.h                  | 4 ++--
 ShellPkg/Library/UefiHandleParsingLib/UefiHandleParsingLib.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/ShellPkg/Include/Library/HandleParsingLib.h b/ShellPkg/Include/Library/HandleParsingLib.h
index 441f65fffe83..79dcc9cc5a55 100644
--- a/ShellPkg/Include/Library/HandleParsingLib.h
+++ b/ShellPkg/Include/Library/HandleParsingLib.h
@@ -303,24 +303,24 @@ ParseHandleDatabaseForChildDevices(
   );
 
 /**
   Gets handles for any child controllers of the passed in controller.
 
   @param[in] ControllerHandle       The handle of the "parent controller".
-  @param[in] MatchingHandleCount    The pointer to the number of handles in
+  @param[out] MatchingHandleCount   The pointer to the number of handles in
                                     MatchingHandleBuffer on return.
   @param[out] MatchingHandleBuffer  The buffer containing handles on a successful
                                     return.
   @retval EFI_SUCCESS               The operation was successful.
   @sa ParseHandleDatabaseByRelationship
 **/
 EFI_STATUS
 EFIAPI
 ParseHandleDatabaseForChildControllers(
   IN CONST EFI_HANDLE       ControllerHandle,
-  IN UINTN                  *MatchingHandleCount,
+  OUT UINTN                 *MatchingHandleCount,
   OUT EFI_HANDLE            **MatchingHandleBuffer OPTIONAL
   );
 
 
 /**
   Function to retrieve the human-friendly index of a given handle.  If the handle
diff --git a/ShellPkg/Library/UefiHandleParsingLib/UefiHandleParsingLib.c b/ShellPkg/Library/UefiHandleParsingLib/UefiHandleParsingLib.c
index 3fb55df8cc14..e11a3ccceab3 100644
--- a/ShellPkg/Library/UefiHandleParsingLib/UefiHandleParsingLib.c
+++ b/ShellPkg/Library/UefiHandleParsingLib/UefiHandleParsingLib.c
@@ -2720,25 +2720,25 @@ ParseHandleDatabaseByRelationship (
 }
 
 /**
   Gets handles for any child controllers of the passed in controller.
 
   @param[in] ControllerHandle       The handle of the "parent controller"
-  @param[in] MatchingHandleCount    Pointer to the number of handles in
+  @param[out] MatchingHandleCount   Pointer to the number of handles in
                                     MatchingHandleBuffer on return.
   @param[out] MatchingHandleBuffer  Buffer containing handles on a successful
                                     return.
 
 
   @retval EFI_SUCCESS               The operation was sucessful.
 **/
 EFI_STATUS
 EFIAPI
 ParseHandleDatabaseForChildControllers(
   IN CONST EFI_HANDLE       ControllerHandle,
-  IN UINTN                  *MatchingHandleCount,
+  OUT UINTN                 *MatchingHandleCount,
   OUT EFI_HANDLE            **MatchingHandleBuffer OPTIONAL
   )
 {
   EFI_STATUS  Status;
   UINTN       HandleIndex;
   UINTN       DriverBindingHandleCount;
-- 
2.9.2