From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752096AbdKVWYe (ORCPT ); Wed, 22 Nov 2017 17:24:34 -0500 Received: from omzsmtpe03.verizonbusiness.com ([199.249.25.208]:51958 "EHLO omzsmtpe03.verizonbusiness.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752021AbdKVWYa (ORCPT ); Wed, 22 Nov 2017 17:24:30 -0500 From: alexander.levin@verizon.com Cc: Vincent Pelletier , Felipe Balbi , alexander.levin@verizon.com X-Host: pioneer.tdc.vzwcorp.com To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" Subject: [PATCH AUTOSEL for 4.9 06/54] usb: gadget: f_fs: Fix ExtCompat descriptor validation Thread-Topic: [PATCH AUTOSEL for 4.9 06/54] usb: gadget: f_fs: Fix ExtCompat descriptor validation Thread-Index: AQHTY+CTPO4is90p3USera8WXtvvQg== Date: Wed, 22 Nov 2017 22:23:52 +0000 Message-ID: <20171122222344.19782-6-alexander.levin@verizon.com> References: <20171122222344.19782-1-alexander.levin@verizon.com> In-Reply-To: <20171122222344.19782-1-alexander.levin@verizon.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.144.60.250] Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by nfs id vAMNMJSr002733 From: Vincent Pelletier [ Upstream commit 354bc45bf329494ef6051f3229ef50b9e2a7ea2a ] Reserved1 is documented as expected to be set to 0, but this test fails when it it set to 0. Reverse the condition. Signed-off-by: Vincent Pelletier Signed-off-by: Felipe Balbi Signed-off-by: Sasha Levin --- drivers/usb/gadget/function/f_fs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 273320fa30ae..4fce83266926 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -2263,7 +2263,7 @@ static int __ffs_data_do_os_desc(enum ffs_os_desc_type type, if (len < sizeof(*d) || d->bFirstInterfaceNumber >= ffs->interfaces_count || - !d->Reserved1) + d->Reserved1) return -EINVAL; for (i = 0; i < ARRAY_SIZE(d->Reserved2); ++i) if (d->Reserved2[i]) -- 2.11.0