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-rw-r--r--src/jtag/tcl.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/jtag/tcl.c b/src/jtag/tcl.c
index da01f812..1073abc0 100644
--- a/src/jtag/tcl.c
+++ b/src/jtag/tcl.c
@@ -1490,6 +1490,15 @@ COMMAND_HANDLER(handle_irscan_command)
}
int num_fields = CMD_ARGC / 2;
+ if (num_fields > 1)
+ {
+ /* we really should be looking at plain_ir_scan if we want
+ * anything more fancy.
+ */
+ LOG_ERROR("Specify a single value for tap");
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
size_t fields_len = sizeof(struct scan_field) * num_fields;
fields = malloc(fields_len);
memset(fields, 0, fields_len);
@@ -1521,7 +1530,7 @@ COMMAND_HANDLER(handle_irscan_command)
}
/* did we have an endstate? */
- jtag_add_ir_scan(tap, num_fields, fields, endstate);
+ jtag_add_ir_scan(tap, fields, endstate);
retval = jtag_execute_queue();