From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41772) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eZxYs-0007XQ-Vi for qemu-devel@nongnu.org; Fri, 12 Jan 2018 06:31:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eZxYs-0005Qw-4J for qemu-devel@nongnu.org; Fri, 12 Jan 2018 06:31:50 -0500 Received: from mail-wr0-x241.google.com ([2a00:1450:400c:c0c::241]:38108) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eZxYr-0005Ol-UJ for qemu-devel@nongnu.org; Fri, 12 Jan 2018 06:31:50 -0500 Received: by mail-wr0-x241.google.com with SMTP id x1so857787wrb.5 for ; Fri, 12 Jan 2018 03:31:49 -0800 (PST) Sender: Paolo Bonzini From: Paolo Bonzini Date: Fri, 12 Jan 2018 12:30:49 +0100 Message-Id: <1515756676-3860-26-git-send-email-pbonzini@redhat.com> In-Reply-To: <1515756676-3860-1-git-send-email-pbonzini@redhat.com> References: <1515756676-3860-1-git-send-email-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PULL 25/52] mips: fix potential fopen(NULL,...) List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= From: Marc-André Lureau Spotted thanks to ASAN. Signed-off-by: Marc-André Lureau Message-Id: <20180104160523.22995-18-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini --- 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 57d5ab2..ad7345f 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) } /* Write back nvram contents */ - s->file = fopen(s->filename, "wb"); + s->file = 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) != 1) { @@ -126,7 +126,7 @@ static int nvram_sysbus_initfn(SysBusDevice *dev) sysbus_init_mmio(dev, &s->iomem); /* Read current file */ - file = fopen(s->filename, "rb"); + file = s->filename ? fopen(s->filename, "rb") : NULL; if (file) { /* Read nvram contents */ if (fread(s->contents, s->chip_size, 1, file) != 1) { -- 1.8.3.1