diff options
Diffstat (limited to 'drivers/watchdog/watchdog_core.c')
| -rw-r--r-- | drivers/watchdog/watchdog_core.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c index 62be9e52a4de..21e8085b848b 100644 --- a/drivers/watchdog/watchdog_core.c +++ b/drivers/watchdog/watchdog_core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * watchdog_core.c * @@ -16,11 +17,6 @@ * Satyam Sharma <satyam@infradead.org> * Randy Dunlap <randy.dunlap@oracle.com> * - * 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. - * * Neither Alan Cox, CymruNet Ltd., Wim Van Sebroeck nor Iguana vzw. * admit liability nor provide warranty for any of this software. * This material is provided "AS-IS" and at no charge. @@ -60,11 +56,10 @@ static DEFINE_MUTEX(wtd_deferred_reg_mutex); static LIST_HEAD(wtd_deferred_reg_list); static bool wtd_deferred_reg_done; -static int watchdog_deferred_registration_add(struct watchdog_device *wdd) +static void watchdog_deferred_registration_add(struct watchdog_device *wdd) { list_add_tail(&wdd->deferred, &wtd_deferred_reg_list); - return 0; } static void watchdog_deferred_registration_del(struct watchdog_device *wdd) @@ -265,14 +260,23 @@ static int __watchdog_register_device(struct watchdog_device *wdd) int watchdog_register_device(struct watchdog_device *wdd) { - int ret; + const char *dev_str; + int ret = 0; mutex_lock(&wtd_deferred_reg_mutex); if (wtd_deferred_reg_done) ret = __watchdog_register_device(wdd); else - ret = watchdog_deferred_registration_add(wdd); + watchdog_deferred_registration_add(wdd); mutex_unlock(&wtd_deferred_reg_mutex); + + if (ret) { + dev_str = wdd->parent ? dev_name(wdd->parent) : + (const char *)wdd->info->identity; + pr_err("%s: failed to register watchdog device (err = %d)\n", + dev_str, ret); + } + return ret; } EXPORT_SYMBOL_GPL(watchdog_register_device); |