drivers/cmsis_dap_usb: remove jtag reset hacks

[fw/openocd] / src / jtag / tcl.c

diff --git a/src/jtag/tcl.c b/src/jtag/tcl.c
index 3f63ffc15ff8ece7f50b7f8f3b8e2ce66add9ca1..dd2be1e5ad3f58e06794d5440841d559704aaf16 100644 (file)
--- a/src/jtag/tcl.c
+++ b/src/jtag/tcl.c
@@ -59,8 +59,6 @@ static const Jim_Nvp nvp_jtag_tap_event[] = {
        { .name = NULL, .value = -1 }
 };
 
-extern struct jtag_interface *jtag_interface;
-
 struct jtag_tap *jtag_tap_by_jim_obj(Jim_Interp *interp, Jim_Obj *o)
 {
        const char *cp = Jim_GetString(o, NULL);
@@ -171,7 +169,10 @@ static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args
                return JIM_ERR;
 
        num_fields = (argc-2)/2;
-       assert(num_fields > 0);
+       if (num_fields <= 0) {
+               Jim_SetResultString(interp, "drscan: no scan fields supplied", -1);
+               return JIM_ERR;
+       }
        fields = malloc(sizeof(struct scan_field) * num_fields);
        for (i = 2; i < argc; i += 2) {
                long bits;