Adding support for the Atmel SAMR21.

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

diff --git a/src/jtag/tcl.c b/src/jtag/tcl.c
index fb060f9a7b7ab44d4be9ee75f9cb61718b4b9094..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;
@@ -205,7 +206,7 @@ static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args
 
                Jim_GetLong(interp, args[i], &bits);
                str = buf_to_str(fields[field_count].in_value, bits, 16);
-               free((void *)fields[field_count].out_value);
+               free(fields[field_count].in_value);
 
                Jim_ListAppendElement(interp, list, Jim_NewStringObj(interp, str, strlen(str)));
                free(str);
@@ -563,7 +564,7 @@ static int jim_newtap_cmd(Jim_GetOptInfo *goi)
                e = Jim_GetOpt_Nvp(goi, opts, &n);
                if (e != JIM_OK) {
                        Jim_GetOpt_NvpUnknown(goi, opts, 0);
-                       free((void *)pTap->dotted_name);
+                       free(cp);
                        free(pTap);
                        return e;
                }
@@ -578,7 +579,7 @@ static int jim_newtap_cmd(Jim_GetOptInfo *goi)
                    case NTAP_OPT_EXPECTED_ID:
                            e = jim_newtap_expected_id(n, goi, pTap);
                            if (JIM_OK != e) {
-                                   free((void *)pTap->dotted_name);
+                                   free(cp);
                                    free(pTap);
                                    return e;
                            }
@@ -588,7 +589,7 @@ static int jim_newtap_cmd(Jim_GetOptInfo *goi)
                    case NTAP_OPT_IRCAPTURE:
                            e = jim_newtap_ir_param(n, goi, pTap);
                            if (JIM_OK != e) {
-                                   free((void *)pTap->dotted_name);
+                                   free(cp);
                                    free(pTap);
                                    return e;
                            }
@@ -1133,14 +1134,14 @@ COMMAND_HANDLER(handle_irscan_command)
                }
                int field_size = tap->ir_length;
                fields[i].num_bits = field_size;
-               fields[i].out_value = malloc(DIV_ROUND_UP(field_size, 8));
+               uint8_t *v = malloc(DIV_ROUND_UP(field_size, 8));
 
                uint64_t value;
                retval = parse_u64(CMD_ARGV[i * 2 + 1], &value);
                if (ERROR_OK != retval)
                        goto error_return;
-               void *v = (void *)fields[i].out_value;
                buf_set_u64(v, 0, field_size, value);
+               fields[i].out_value = v;
                fields[i].in_value = NULL;
        }