static void cmsis_dap_hid_close(struct cmsis_dap *dap);
static int cmsis_dap_hid_alloc(struct cmsis_dap *dap, unsigned int pkt_sz);
-static int cmsis_dap_hid_open(struct cmsis_dap *dap, uint16_t vids[], uint16_t pids[], char *serial)
+static int cmsis_dap_hid_open(struct cmsis_dap *dap, uint16_t vids[], uint16_t pids[], const char *serial)
{
hid_device *dev = NULL;
int i;
while (cur_dev) {
bool found = false;
- if (0 == vids[0]) {
+ if (vids[0] == 0) {
if (!cur_dev->product_string) {
LOG_DEBUG("Cannot read product string of device 0x%x:0x%x",
cur_dev->vendor_id, cur_dev->product_id);