From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 84D7CC433F5 for ; Mon, 8 Nov 2021 10:15:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6AEB3610F8 for ; Mon, 8 Nov 2021 10:15:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238932AbhKHKSH (ORCPT ); Mon, 8 Nov 2021 05:18:07 -0500 Received: from mail.skyhub.de ([5.9.137.197]:38418 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238582AbhKHKPO (ORCPT ); Mon, 8 Nov 2021 05:15:14 -0500 Received: from zn.tnic (p200300ec2f33110088892b77bd117736.dip0.t-ipconnect.de [IPv6:2003:ec:2f33:1100:8889:2b77:bd11:7736]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 6DE8D1EC0518; Mon, 8 Nov 2021 11:12:29 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1636366349; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=F/OtEsxs0FxuB+jHRrAJERIu8nw9X9+cQ1BcJG9NbZE=; b=Krn/4Bm2dw7+qlipiJWIVQpPsgQYg0iEVnvPxyc+cbreeQQe2hKjUKMimAHp/uQDHgS9ke ui6QcuxnVnCmsg2CY8dPtDgivjBQ13HlP2Mz4ld2rtsiz0dmd+Honw4EuYKkyzBXsqkKSF qgabt1OyhA2RmM4tplU8SDB0gkPUqR0= From: Borislav Petkov To: LKML Cc: bcm-kernel-feedback-list@broadcom.com Subject: [PATCH v0 27/42] bus: brcmstb_gisb: Check notifier registration return value Date: Mon, 8 Nov 2021 11:11:42 +0100 Message-Id: <20211108101157.15189-28-bp@alien8.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20211108101157.15189-1-bp@alien8.de> References: <20211108101157.15189-1-bp@alien8.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov Avoid homegrown notifier registration checks. No functional changes. Signed-off-by: Borislav Petkov Cc: bcm-kernel-feedback-list@broadcom.com --- drivers/bus/brcmstb_gisb.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/bus/brcmstb_gisb.c b/drivers/bus/brcmstb_gisb.c index 4c2f7d61cb9b..1c0180ebe6a7 100644 --- a/drivers/bus/brcmstb_gisb.c +++ b/drivers/bus/brcmstb_gisb.c @@ -490,8 +490,10 @@ static int __init brcmstb_gisb_arb_probe(struct platform_device *pdev) if (list_is_singular(&brcmstb_gisb_arb_device_list)) { register_die_notifier(&gisb_die_notifier); - atomic_notifier_chain_register(&panic_notifier_list, - &gisb_panic_notifier); + + if (atomic_notifier_chain_register(&panic_notifier_list, + &gisb_panic_notifier)) + pr_warn("GISB Panic notifier already registered\n"); } dev_info(&pdev->dev, "registered irqs: %d, %d\n", -- 2.29.2