[PATCH v3 06/25] reboot: Warn if unregister_restart_handler() fails

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Emit warning if unregister_restart_handler() fails since it never should
fail. This will ease further API development by catching mistakes early.

Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
---
 kernel/reboot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/reboot.c b/kernel/reboot.c
index e6659ae329f1..f0e7b9c13f6b 100644
--- a/kernel/reboot.c
+++ b/kernel/reboot.c
@@ -210,7 +210,7 @@ EXPORT_SYMBOL(register_restart_handler);
  */
 int unregister_restart_handler(struct notifier_block *nb)
 {
-	return atomic_notifier_chain_unregister(&restart_handler_list, nb);
+	return WARN_ON(atomic_notifier_chain_unregister(&restart_handler_list, nb));
 }
 EXPORT_SYMBOL(unregister_restart_handler);
 
-- 
2.33.1




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