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 A2DA8C433EF for ; Mon, 31 Jan 2022 11:31:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378813AbiAaL3S (ORCPT ); Mon, 31 Jan 2022 06:29:18 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:37112 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377854AbiAaLTL (ORCPT ); Mon, 31 Jan 2022 06:19:11 -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 ams.source.kernel.org (Postfix) with ESMTPS id 77980B82A5D; Mon, 31 Jan 2022 11:19:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B7F57C340E8; Mon, 31 Jan 2022 11:19:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643627949; bh=S80VFsfDMHRAWBlFU3f3ba+sIZ1ojgY8yoyvnC1ikHM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WPeGwsOiAdOfyzM17U70fCjBkRS2LYTaTmJrLvE5pBtOV/iBGvhzzqUFYR6uJZ97x PppRnD5fU0E69CBo0qcYG8Hsd99BNsjZF1WhXa2caScTL3DqWjqM9bhjKzueftOA98 XesFmPYQ1USmPqAxXPqf/krp6K0xW1wE1KBw3pvQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Pavankumar Kondeti Subject: [PATCH 5.16 076/200] usb: gadget: f_sourcesink: Fix isoc transfer for USB_SPEED_SUPER_PLUS Date: Mon, 31 Jan 2022 11:55:39 +0100 Message-Id: <20220131105236.141207022@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220131105233.561926043@linuxfoundation.org> References: <20220131105233.561926043@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: linux-kernel@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) *