From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E2B0C433F5 for ; Mon, 31 Jan 2022 11:11:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241064AbiAaLLk (ORCPT ); Mon, 31 Jan 2022 06:11:40 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:42812 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1376903AbiAaLJR (ORCPT ); Mon, 31 Jan 2022 06:09:17 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 34B5061124; Mon, 31 Jan 2022 11:09:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 077CDC340EF; Mon, 31 Jan 2022 11:09:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643627356; bh=S80VFsfDMHRAWBlFU3f3ba+sIZ1ojgY8yoyvnC1ikHM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oKAszysUpw5QwfnK1DHaedP2yH+gJheq21nFAa9B9IemXQQZ8BSTWIyg2HGIFQN3t osjWGk0kJ8Jy/3kr0pxxqjVbGdxQn9NtpVWUYP6xeIxsFw54mVa0uKybikQtG1XhYN 0YIgA8BOYqHt6js+upSiMnE/iwE2SQRrwTQu9j4c= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Pavankumar Kondeti Subject: [PATCH 5.15 056/171] usb: gadget: f_sourcesink: Fix isoc transfer for USB_SPEED_SUPER_PLUS Date: Mon, 31 Jan 2022 11:55:21 +0100 Message-Id: <20220131105231.924289567@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220131105229.959216821@linuxfoundation.org> References: <20220131105229.959216821@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Pavankumar Kondeti commit 904edf8aeb459697129be5fde847e2a502f41fd9 upstream. Currently when gadget enumerates in super speed plus, the isoc endpoint request buffer size is not calculated correctly. Fix this by checking the gadget speed against USB_SPEED_SUPER_PLUS and update the request buffer size. Fixes: 90c4d05780d4 ("usb: fix various gadgets null ptr deref on 10gbps cabling.") Cc: stable Signed-off-by: Pavankumar Kondeti Link: https://lore.kernel.org/r/1642820602-20619-1-git-send-email-quic_pkondeti@quicinc.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/function/f_sourcesink.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/usb/gadget/function/f_sourcesink.c +++ b/drivers/usb/gadget/function/f_sourcesink.c @@ -584,6 +584,7 @@ static int source_sink_start_ep(struct f if (is_iso) { switch (speed) { + case USB_SPEED_SUPER_PLUS: case USB_SPEED_SUPER: size = ss->isoc_maxpacket * (ss->isoc_mult + 1) *