So we can remove boilerplate code from drivers.
Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
drivers/watchdog/watchdog_core.c | 9 +++++++++
1 file changed, 9 insertions(+)
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);
--
2.19.1
