diff options
Diffstat (limited to 'drivers/watchdog/watchdog_core.c')
| -rw-r--r-- | drivers/watchdog/watchdog_core.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c index 9fd096af0cc5..cf3247224a6e 100644 --- a/drivers/watchdog/watchdog_core.c +++ b/drivers/watchdog/watchdog_core.c @@ -264,6 +264,7 @@ static int __watchdog_register_device(struct watchdog_device *wdd) int watchdog_register_device(struct watchdog_device *wdd) { + const char *dev_str; int ret = 0; mutex_lock(&wtd_deferred_reg_mutex); @@ -272,6 +273,14 @@ int watchdog_register_device(struct watchdog_device *wdd) else 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); |