From nobody Wed Dec 17 10:59:24 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 3DF6FC4167B for ; Mon, 27 Nov 2023 14:41:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233651AbjK0Olq (ORCPT ); Mon, 27 Nov 2023 09:41:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37076 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231754AbjK0Olo (ORCPT ); Mon, 27 Nov 2023 09:41:44 -0500 Received: from m12.mail.163.com (m12.mail.163.com [220.181.12.216]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 8F763C2 for ; Mon, 27 Nov 2023 06:41:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id; bh=XRQp0zOYdNbHHuto1y IZyaF4vtL+R1Yy6pinuFlVyl8=; b=G2kFeCATce1RM9VxhgJW3Ni3vKuNEVGlSV z5z7sCjf5f+tGWBCo8lzrOsC3sK+ji6ZJlmbV0ZzPbc9JEetumc3AZKgfK3FAlrx 2Nqe6Vr/1fytMTZZqs/xVlK3CukUyt9ZcbCHjB830BSb6OoUkoyj1TQmx2HAoHcP wNM6Bbyyw= Received: from localhost.localdomain (unknown [39.144.190.126]) by zwqz-smtp-mta-g4-0 (Coremail) with SMTP id _____wB3FVSGqmRlvUJQEA--.27646S2; Mon, 27 Nov 2023 22:41:12 +0800 (CST) From: Haoran Liu To: npiggin@gmail.com Cc: mpe@ellerman.id.au, christophe.leroy@csgroup.eu, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Haoran Liu Subject: [PATCH] powerpc/powernv: Add error handling to opal_prd_range_is_valid Date: Mon, 27 Nov 2023 06:41:08 -0800 Message-Id: <20231127144108.29782-1-liuhaoran14@163.com> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: _____wB3FVSGqmRlvUJQEA--.27646S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrZrWUuF13Xr1ruF1kCF1fCrg_yoWftFgEq3 WxCa10qw48Wr4q9w1DCr1rGrnFk343Gr4UKr1Ig3ZFkryavasxC3s7ZrZ3WF17WrW2krZx GF98Kws8A3WSvjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7xRufO2UUUUUU== X-Originating-IP: [39.144.190.126] X-CM-SenderInfo: xolxxtxrud0iqu6rljoofrz/xtbBcgE1gletj1OaTQAAs1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" In the opal_prd_range_is_valid function within opal-prd.c, error handling was missing for the of_get_address call. This patch adds necessary error checking, ensuring that the function gracefully handles scenarios where of_get_address fails. Signed-off-by: Haoran Liu --- arch/powerpc/platforms/powernv/opal-prd.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/platforms/powernv/opal-prd.c b/arch/powerpc/platf= orms/powernv/opal-prd.c index 327e2f76905d..b66b06efcef1 100644 --- a/arch/powerpc/platforms/powernv/opal-prd.c +++ b/arch/powerpc/platforms/powernv/opal-prd.c @@ -66,6 +66,8 @@ static bool opal_prd_range_is_valid(uint64_t addr, uint64= _t size) const char *label; =20 addrp =3D of_get_address(node, 0, &range_size, NULL); + if (!addrp) + continue; =20 range_addr =3D of_read_number(addrp, 2); range_end =3D range_addr + range_size; --=20 2.17.1