diff options
Diffstat (limited to 'src/jtag/jtag.c')
| -rw-r--r-- | src/jtag/jtag.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c index 6a84db40..d8f3ccdc 100644 --- a/src/jtag/jtag.c +++ b/src/jtag/jtag.c @@ -369,7 +369,7 @@ jtag_device_t* jtag_get_device(int num) } LOG_ERROR("jtag device number %d not defined", num); - exit(-1); + return NULL; } void* cmd_queue_alloc(size_t size) @@ -477,6 +477,10 @@ int MINIDRIVER(interface_jtag_add_ir_scan)(int num_fields, scan_field_t *fields, { int found = 0; device = jtag_get_device(i); + if (device == NULL) + { + exit(-1); + } scan_size = device->ir_length; (*last_cmd)->cmd.scan->fields[i].device = i; (*last_cmd)->cmd.scan->fields[i].num_bits = scan_size; @@ -2120,7 +2124,12 @@ int handle_irscan_command(struct command_context_s *cmd_ctx, char *cmd, char **a for (i = 0; i < argc / 2; i++) { int device = strtoul(args[i*2], NULL, 0); - int field_size = jtag_get_device(device)->ir_length; + jtag_device_t *device_ptr=jtag_get_device(device); + if (device==NULL) + { + return ERROR_FAIL; + } + int field_size = device_ptr->ir_length; fields[i].device = device; fields[i].out_value = malloc(CEIL(field_size, 8)); buf_set_u32(fields[i].out_value, 0, field_size, strtoul(args[i*2+1], NULL, 0)); |