From: Borislav Petkov <bp@alien8.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v0 29/42] arm64: Check notifier registration return value
Date: Mon, 8 Nov 2021 11:11:44 +0100 [thread overview]
Message-ID: <20211108101157.15189-30-bp@alien8.de> (raw)
In-Reply-To: <20211108101157.15189-1-bp@alien8.de>
From: Borislav Petkov <bp@suse.de>
Avoid homegrown notifier registration checks.
No functional changes.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: linux-arm-kernel@lists.infradead.org
---
arch/arm64/kernel/setup.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index be5f85b0a24d..e66af9de7cd7 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -440,8 +440,10 @@ static struct notifier_block arm64_panic_block = {
static int __init register_arm64_panic_block(void)
{
- atomic_notifier_chain_register(&panic_notifier_list,
- &arm64_panic_block);
+ if (atomic_notifier_chain_register(&panic_notifier_list,
+ &arm64_panic_block))
+ pr_warn("Panic notifier already registered\n");
+
return 0;
}
device_initcall(register_arm64_panic_block);
--
2.29.2
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next prev parent reply other threads:[~2021-11-08 10:15 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20211108101157.15189-1-bp@alien8.de>
2021-11-08 10:11 ` [PATCH v0 06/42] firmware: Check notifier registration return value Borislav Petkov
2021-11-12 18:43 ` Cristian Marussi
2021-11-08 10:11 ` Borislav Petkov [this message]
2021-11-08 10:11 ` [PATCH v0 42/42] notifier: Return an error when callback is already registered Borislav Petkov
2021-11-08 14:07 ` Geert Uytterhoeven
2021-11-08 14:21 ` Borislav Petkov
2021-11-08 15:25 ` Geert Uytterhoeven
2021-11-08 15:58 ` Borislav Petkov
2021-11-08 16:12 ` Geert Uytterhoeven
2021-11-08 16:21 ` Borislav Petkov
2021-11-08 20:59 ` Alan Stern
2021-11-08 21:18 ` Borislav Petkov
2021-11-08 10:19 ` [PATCH v0 00/42] notifiers: " Borislav Petkov
2021-11-08 14:17 ` Alan Stern
2021-11-08 14:24 ` Borislav Petkov
2021-11-08 14:35 ` Borislav Petkov
2021-11-08 16:23 ` Steven Rostedt
2021-11-08 16:29 ` Borislav Petkov
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