| From | Borislav Petkov <> | Subject | [PATCH v0 13/42] power: reset: Check notifier registration return value | Date | Mon, 8 Nov 2021 11:11:28 +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> Cc: linux-pm@vger.kernel.org --- drivers/power/reset/ltc2952-poweroff.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/power/reset/ltc2952-poweroff.c b/drivers/power/reset/ltc2952-poweroff.c index fbb344353fe4..6ca251e4b1be 100644 --- a/drivers/power/reset/ltc2952-poweroff.c +++ b/drivers/power/reset/ltc2952-poweroff.c @@ -279,8 +279,10 @@ static int ltc2952_poweroff_probe(struct platform_device *pdev) pm_power_off = ltc2952_poweroff_kill; data->panic_notifier.notifier_call = ltc2952_poweroff_notify_panic; - atomic_notifier_chain_register(&panic_notifier_list, - &data->panic_notifier); + + if (atomic_notifier_chain_register(&panic_notifier_list, &data->panic_notifier)) + pr_warn("LTC2952 panic notifier already registered\n"); + dev_info(&pdev->dev, "probe successful\n"); return 0; -- 2.29.2
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