mcd_mem.c: use cmd_error(), z80_bus_request_or_exit()

1 files changed, 2 insertions, 4 deletions

diff --git a/avr/debug.c b/avr/debug.c
index ea4aa21..89ef4b1 100644
--- a/avr/debug.c
+++ b/avr/debug.c
@@ -26,11 +26,9 @@
  * Memory Display
  *	md addr {len}
  */
-command_ret_t do_dump_mem(cmd_tbl_t *cmdtp, uint_fast8_t flag, int argc, char * const argv[])
+command_ret_t do_dump_mem(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[])
 {
-	int (*readwhat)(uint8_t *buf, uint32_t addr, uint8_t count);
-
-	(void) cmdtp; (void) flag;
+	ERRNUM (*readwhat)(uint8_t *buf, uint32_t addr, uint8_t count);
 
 	if (argc < 2)
 		return CMD_RET_USAGE;