ShellPkg/UefiHandleParsingLib: fix IN/OUT notation in child ctrlr parsing

"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>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Tapan Shah <tapandshah@hpe.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/ShellPkg/Include/Library/HandleParsingLib.h b/ShellPkg/Include/Library/HandleParsingLib.h
index 441f65fffe..79dcc9cc5a 100644
--- a/ShellPkg/Include/Library/HandleParsingLib.h
+++ b/ShellPkg/Include/Library/HandleParsingLib.h
@@ -306,7 +306,7 @@ 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.

@@ -317,7 +317,7 @@ EFI_STATUS
 EFIAPI

 ParseHandleDatabaseForChildControllers(

   IN CONST EFI_HANDLE       ControllerHandle,

-  IN UINTN                  *MatchingHandleCount,

+  OUT UINTN                 *MatchingHandleCount,

   OUT EFI_HANDLE            **MatchingHandleBuffer OPTIONAL

   );