openocd: fix syntax of SPDX tags

[fw/openocd] / src / jtag / drivers / driver.c

diff --git a/src/jtag/drivers/driver.c b/src/jtag/drivers/driver.c
index 4923f96eb879b1d9a42bb0fb194ff0106c3661f6..1ce18707dd8e563e1f763a18cad928ea64322745 100644 (file)
--- a/src/jtag/drivers/driver.c
+++ b/src/jtag/drivers/driver.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 /***************************************************************************
  *   Copyright (C) 2005 by Dominic Rath                                    *
  *   Dominic.Rath@gmx.de                                                   *
@@ -11,19 +13,6 @@
  *                                                                         *
  *   Copyright (C) 2009 Zachary T Welch                                    *
  *   zw@superlucidity.net                                                  *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
 #ifdef HAVE_CONFIG_H
@@ -82,7 +71,7 @@ int interface_jtag_add_ir_scan(struct jtag_tap *active,
 
        /* loop over all enabled TAPs */
 
-       for (struct jtag_tap *tap = jtag_tap_next_enabled(NULL); tap != NULL; tap = jtag_tap_next_enabled(tap)) {
+       for (struct jtag_tap *tap = jtag_tap_next_enabled(NULL); tap; tap = jtag_tap_next_enabled(tap)) {
                /* search the input field list for fields for the current TAP */
 
                if (tap == active) {
@@ -122,7 +111,7 @@ int interface_jtag_add_dr_scan(struct jtag_tap *active, int in_num_fields,
 
        size_t bypass_devices = 0;
 
-       for (struct jtag_tap *tap = jtag_tap_next_enabled(NULL); tap != NULL; tap = jtag_tap_next_enabled(tap)) {
+       for (struct jtag_tap *tap = jtag_tap_next_enabled(NULL); tap; tap = jtag_tap_next_enabled(tap)) {
                if (tap->bypass)
                        bypass_devices++;
        }
@@ -145,7 +134,7 @@ int interface_jtag_add_dr_scan(struct jtag_tap *active, int in_num_fields,
 
        /* loop over all enabled TAPs */
 
-       for (struct jtag_tap *tap = jtag_tap_next_enabled(NULL); tap != NULL; tap = jtag_tap_next_enabled(tap)) {
+       for (struct jtag_tap *tap = jtag_tap_next_enabled(NULL); tap; tap = jtag_tap_next_enabled(tap)) {
                /* if TAP is not bypassed insert matching input fields */
 
                if (!tap->bypass) {
@@ -235,7 +224,7 @@ int interface_add_tms_seq(unsigned num_bits, const uint8_t *seq, enum tap_state
        struct jtag_command *cmd;
 
        cmd = cmd_queue_alloc(sizeof(struct jtag_command));
-       if (cmd == NULL)
+       if (!cmd)
                return ERROR_FAIL;
 
        cmd->type = JTAG_TMS;
@@ -350,7 +339,7 @@ void interface_jtag_add_callback4(jtag_callback_t callback,
        entry->data2 = data2;
        entry->data3 = data3;
 
-       if (jtag_callback_queue_head == NULL) {
+       if (!jtag_callback_queue_head) {
                jtag_callback_queue_head = entry;
                jtag_callback_queue_tail = entry;
        } else {
@@ -369,7 +358,7 @@ int interface_jtag_execute_queue(void)
        int retval = default_interface_jtag_execute_queue();
        if (retval == ERROR_OK) {
                struct jtag_callback_entry *entry;
-               for (entry = jtag_callback_queue_head; entry != NULL; entry = entry->next) {
+               for (entry = jtag_callback_queue_head; entry; entry = entry->next) {
                        retval = entry->callback(entry->data0, entry->data1, entry->data2, entry->data3);
                        if (retval != ERROR_OK)
                                break;