The DoReserved function was removed in commit 
869ddbfccdea ("staging:
r8188eu: remove dummy entries from OnAction_tbl"). Remove the prototype
as well.
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220724153349.138741-3-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 
                        struct recv_frame *precv_frame);
 unsigned int OnProbeRsp(struct adapter *padapter,
                        struct recv_frame *precv_frame);
-unsigned int DoReserved(struct adapter *padapter,
-                       struct recv_frame *precv_frame);
 unsigned int OnBeacon(struct adapter *padapter,
                      struct recv_frame *precv_frame);
 unsigned int OnDisassoc(struct adapter *padapter,