From nobody Tue Oct 28 12:16:26 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 151508287636120.1411736038998; Thu, 4 Jan 2018 08:21:16 -0800 (PST) Received: from localhost ([::1]:47449 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eX8GZ-0004BJ-DW for importer@patchew.org; Thu, 04 Jan 2018 11:21:15 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38668) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eX85K-00015i-2c for qemu-devel@nongnu.org; Thu, 04 Jan 2018 11:09:38 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eX85I-0005xG-Pe for qemu-devel@nongnu.org; Thu, 04 Jan 2018 11:09:38 -0500 Received: from mx1.redhat.com ([209.132.183.28]:45633) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eX85I-0005wg-J2 for qemu-devel@nongnu.org; Thu, 04 Jan 2018 11:09:36 -0500 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D1A855B2F9 for ; Thu, 4 Jan 2018 16:09:35 +0000 (UTC) Received: from localhost (ovpn-112-61.ams2.redhat.com [10.36.112.61]) by smtp.corp.redhat.com (Postfix) with ESMTP id 04F39608EE; Thu, 4 Jan 2018 16:09:34 +0000 (UTC) From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= To: qemu-devel@nongnu.org Date: Thu, 4 Jan 2018 17:05:22 +0100 Message-Id: <20180104160523.22995-18-marcandre.lureau@redhat.com> In-Reply-To: <20180104160523.22995-1-marcandre.lureau@redhat.com> References: <20180104160523.22995-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 04 Jan 2018 16:09:35 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v3 17/18] mips: fix potential fopen(NULL,...) X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, famz@redhat.com, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Spotted thanks to ASAN. Signed-off-by: Marc-Andr=C3=A9 Lureau --- hw/nvram/ds1225y.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/nvram/ds1225y.c b/hw/nvram/ds1225y.c index 57d5ab2154..ad7345f288 100644 --- a/hw/nvram/ds1225y.c +++ b/hw/nvram/ds1225y.c @@ -80,7 +80,7 @@ static int nvram_post_load(void *opaque, int version_id) } =20 /* Write back nvram contents */ - s->file =3D fopen(s->filename, "wb"); + s->file =3D s->filename ? fopen(s->filename, "wb") : NULL; if (s->file) { /* Write back contents, as 'wb' mode cleaned the file */ if (fwrite(s->contents, s->chip_size, 1, s->file) !=3D 1) { @@ -126,7 +126,7 @@ static int nvram_sysbus_initfn(SysBusDevice *dev) sysbus_init_mmio(dev, &s->iomem); =20 /* Read current file */ - file =3D fopen(s->filename, "rb"); + file =3D s->filename ? fopen(s->filename, "rb") : NULL; if (file) { /* Read nvram contents */ if (fread(s->contents, s->chip_size, 1, file) !=3D 1) { --=20 2.15.1.355.g36791d7216