| From | Borislav Petkov <> | Subject | [PATCH v0 19/42] kernel/hung_task: Check notifier registration return value | Date | Mon, 8 Nov 2021 11:11:34 +0100 |
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From: Borislav Petkov <bp@suse.de>
Avoid homegrown notifier registration checks.
No functional changes.
Signed-off-by: Borislav Petkov <bp@suse.de> --- kernel/hung_task.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/hung_task.c b/kernel/hung_task.c index 9888e2bc8c76..8e3bb95968a4 100644 --- a/kernel/hung_task.c +++ b/kernel/hung_task.c @@ -304,7 +304,8 @@ static int watchdog(void *dummy) static int __init hung_task_init(void) { - atomic_notifier_chain_register(&panic_notifier_list, &panic_block); + if (atomic_notifier_chain_register(&panic_notifier_list, &panic_block)) + pr_warn("Hung task notifier already registered\n"); /* Disable hung task detector on suspend */ pm_notifier(hungtask_pm_notify, 0); -- 2.29.2
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