From patchwork Mon May 18 17:37:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 225725 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 3A48DC433E1 for ; Mon, 18 May 2020 18:07:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 14A3B2083E for ; Mon, 18 May 2020 18:07:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589825278; bh=XdSVoiFRtf3cyz7ypktPW4mY6jLVSFfO5OzF2dGq2VA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=eld/Ahe4G1yd2a+kyMbFFkQELHzWQTS6TenL7J+AdkWx3EFXKbwRrhdx5G9u8v9TL 4JK0wWtIXj0xyKq4vO0M3rKfvaiZV7WM925UOek69k2PnBUdZHHqrXIy1lueXUkAnF P6kHG5JT8xr/NHcivyfZjzjSEEFyGtZ8VxQCu4oA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387436AbgERSH4 (ORCPT ); Mon, 18 May 2020 14:07:56 -0400 Received: from mail.kernel.org ([198.145.29.99]:57144 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387453AbgERSHz (ORCPT ); Mon, 18 May 2020 14:07:55 -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 4403720715; Mon, 18 May 2020 18:07:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589825274; bh=XdSVoiFRtf3cyz7ypktPW4mY6jLVSFfO5OzF2dGq2VA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lubQ/c4isrqLxTBAprtw6kF4g4HNrxUJMeNBsxFEpasCxpSn+/x+3BHLFqUbTx0C3 ssVwD+I257vyebV3+hsIiUVbpBcthL7Rr02rkDwloOs2p6frTrDDozFJqTxHEJwfS3 79bOW+mGRlBSg1RnyhazEPAwzKTOUegzTJb/9MI4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hulk Robot , Wei Yongjun , Felipe Balbi Subject: [PATCH 5.6 168/194] usb: gadget: legacy: fix error return code in gncm_bind() Date: Mon, 18 May 2020 19:37:38 +0200 Message-Id: <20200518173545.187850802@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200518173531.455604187@linuxfoundation.org> References: <20200518173531.455604187@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: Wei Yongjun commit e27d4b30b71c66986196d8a1eb93cba9f602904a upstream. If 'usb_otg_descriptor_alloc()' fails, we must return a negative error code -ENOMEM, not 0. Fixes: 1156e91dd7cc ("usb: gadget: ncm: allocate and init otg descriptor by otg capabilities") Reported-by: Hulk Robot Signed-off-by: Wei Yongjun Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/legacy/ncm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/usb/gadget/legacy/ncm.c +++ b/drivers/usb/gadget/legacy/ncm.c @@ -156,8 +156,10 @@ static int gncm_bind(struct usb_composit struct usb_descriptor_header *usb_desc; usb_desc = usb_otg_descriptor_alloc(gadget); - if (!usb_desc) + if (!usb_desc) { + status = -ENOMEM; goto fail; + } usb_otg_descriptor_init(gadget, usb_desc); otg_desc[0] = usb_desc; otg_desc[1] = NULL;