From e83dedd9f930ad0cc27b313ba3ec3695baeebe20 Mon Sep 17 00:00:00 2001
From: Michele Fiorito <michele.fiorito@polimi.it>
Date: Mon, 30 Oct 2023 16:51:57 +0100
Subject: [PATCH] LibMDPI fixes

---
 etc/libbambu/libmdpi/include/mdpi/mdpi_ipc.h | 4 ++--
 etc/libbambu/libmdpi/mdpi.c                  | 1 -
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/etc/libbambu/libmdpi/include/mdpi/mdpi_ipc.h b/etc/libbambu/libmdpi/include/mdpi/mdpi_ipc.h
index 18dee7f65..d44f404fd 100644
--- a/etc/libbambu/libmdpi/include/mdpi/mdpi_ipc.h
+++ b/etc/libbambu/libmdpi/include/mdpi/mdpi_ipc.h
@@ -122,8 +122,8 @@ typedef struct
    byte_t buffer[4096];
 } IPC_STRUCT_ATTR mdpi_op_mem_t;
 
-#define MDPI_ARG_IDX_OUT_OF_BOUNDS -1
-#define MDPI_ARG_IDX_EMPTY -2
+#define MDPI_ARG_IDX_OUT_OF_BOUNDS (UINT8_MAX)
+#define MDPI_ARG_IDX_EMPTY (UINT8_MAX - 1)
 
 typedef struct
 {
diff --git a/etc/libbambu/libmdpi/mdpi.c b/etc/libbambu/libmdpi/mdpi.c
index d60474aa5..0724187c2 100644
--- a/etc/libbambu/libmdpi/mdpi.c
+++ b/etc/libbambu/libmdpi/mdpi.c
@@ -202,7 +202,6 @@ void m_setarg(CONSTARG svLogicVecVal* data, unsigned int index)
 
    debug("Parameter %u write\n", index);
 
-   bitsize = m_getptrargsize(index);
    __ipc_reserve(__REMOTE_ENTITY);
    __remote_operation.type = MDPI_OP_TYPE_ARG_READ;
    __remote_operation.payload.arg.index = index;