watchdog: let core print error message when registering device fails (b608075e) · Commits · 戴 / test

So we can remove boilerplate code from drivers. Signed-off-by:

drivers/watchdog/watchdog_core.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -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);