From nobody Wed Dec 17 12:19:44 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63BCDC4167B for ; Mon, 27 Nov 2023 03:08:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231287AbjK0DIG (ORCPT ); Sun, 26 Nov 2023 22:08:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48344 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229472AbjK0DIF (ORCPT ); Sun, 26 Nov 2023 22:08:05 -0500 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 18C7BC8 for ; Sun, 26 Nov 2023 19:08:09 -0800 (PST) X-UUID: ab177453d9a64d5b996565e266e7b673-20231127 X-CID-O-RULE: Release_Ham X-CID-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.33,REQID:202d0179-3c35-4f16-b54c-6fd7f955c23f,IP:5,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:-15,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-10 X-CID-INFO: VERSION:1.1.33,REQID:202d0179-3c35-4f16-b54c-6fd7f955c23f,IP:5,URL :0,TC:0,Content:0,EDM:0,RT:0,SF:-15,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:-10 X-CID-META: VersionHash:364b77b,CLOUDID:92291973-1bd3-4f48-b671-ada88705968c,B ulkID:231127110800C9NNALHY,BulkQuantity:0,Recheck:0,SF:66|38|24|17|19|44|1 02,TC:nil,Content:0,EDM:-3,IP:-2,URL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,CO L:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_FSD,TF_CID_SPAM_FSI,TF_CID_SPAM_SNR,TF_CID_SPAM_FAS X-UUID: ab177453d9a64d5b996565e266e7b673-20231127 X-User: chentao@kylinos.cn Received: from vt.. [(116.128.244.169)] by mailgw (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 418691976; Mon, 27 Nov 2023 11:07:58 +0800 From: Kunwu Chan To: mpe@ellerman.id.au, npiggin@gmail.com, christophe.leroy@csgroup.eu, benh@kernel.crashing.org, rmclure@linux.ibm.com Cc: kunwu.chan@hotmail.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Kunwu Chan Subject: [PATCH] powerpc/powernv: Add a null pointer check in opal_event_init Date: Mon, 27 Nov 2023 11:07:55 +0800 Message-Id: <20231127030755.1546750-1-chentao@kylinos.cn> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Fixes: 2717a33d6074 ("powerpc/opal-irqchip: Use interrupt names if present") Signed-off-by: Kunwu Chan --- arch/powerpc/platforms/powernv/opal-irqchip.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/platforms/powernv/opal-irqchip.c b/arch/powerpc/p= latforms/powernv/opal-irqchip.c index f9a7001dacb7..56a1f7ce78d2 100644 --- a/arch/powerpc/platforms/powernv/opal-irqchip.c +++ b/arch/powerpc/platforms/powernv/opal-irqchip.c @@ -275,6 +275,8 @@ int __init opal_event_init(void) else name =3D kasprintf(GFP_KERNEL, "opal"); =20 + if (!name) + continue; /* Install interrupt handler */ rc =3D request_irq(r->start, opal_interrupt, r->flags & IRQD_TRIGGER_MAS= K, name, NULL); --=20 2.34.1