From patchwork Tue Jun 23 19:54:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 223104 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9168DC433E0 for ; Tue, 23 Jun 2020 21:34:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 65E7720724 for ; Tue, 23 Jun 2020 21:34:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592948066; bh=SaQqvQFMNTh+YxDu89iw6n8Oqci79i/uH0NDjdrZvCY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=klgJHEIu/j2H/wyxiweDGNrdtJeEQ2rdrVZL23f/Lp91de1OvWUIxVM4xY5QCX/fC /pvzAXbzcFZaN8Bar3FbzDJuXTLzZsNODeIzKlIXFmoBi4m09pCXhhJuovro+UXyqL bialb/2VmVN2EnkS2PNGV0tnGzrqp8SuQHuWdXoY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388873AbgFWVeS (ORCPT ); Tue, 23 Jun 2020 17:34:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:52292 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388374AbgFWULB (ORCPT ); Tue, 23 Jun 2020 16:11:01 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7ED2A20707; Tue, 23 Jun 2020 20:11:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592943061; bh=SaQqvQFMNTh+YxDu89iw6n8Oqci79i/uH0NDjdrZvCY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=V+X7svdXPSwPRP+i6eIEuYxi9iM0WYYXsL1IImrhPOUWEc88W/viIDR8NtwRKTVYq Fppw2MxHKASPfgnJIgLMazbeg+3Ut4L0HTesCvXLu3Xva1hjYW+5yOHjt29DYY5zv3 Ndzwzyk0ZxMxZWi8wiA0g6kl6pKtRdoyRvZ9m6Hw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chen Zhou , Michael Ellerman , Sasha Levin Subject: [PATCH 5.7 245/477] powerpc/powernv: add NULL check after kzalloc Date: Tue, 23 Jun 2020 21:54:02 +0200 Message-Id: <20200623195419.151216738@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200623195407.572062007@linuxfoundation.org> References: <20200623195407.572062007@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Chen Zhou [ Upstream commit ceffa63acce7165c442395b7d64a11ab8b5c5dca ] Fixes coccicheck warning: ./arch/powerpc/platforms/powernv/opal.c:813:1-5: alloc with no test, possible model on line 814 Add NULL check after kzalloc. Signed-off-by: Chen Zhou Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20200509020838.121660-1-chenzhou10@huawei.com Signed-off-by: Sasha Levin --- arch/powerpc/platforms/powernv/opal.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index 2b3dfd0b6cdd8..d95954ad4c0af 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -811,6 +811,10 @@ static int opal_add_one_export(struct kobject *parent, const char *export_name, goto out; attr = kzalloc(sizeof(*attr), GFP_KERNEL); + if (!attr) { + rc = -ENOMEM; + goto out; + } name = kstrdup(export_name, GFP_KERNEL); if (!name) { rc = -ENOMEM;