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 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,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 B6CBAC47247 for ; Fri, 8 May 2020 12:37:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8AD0E24958 for ; Fri, 8 May 2020 12:37:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588941422; bh=K5TzdsmWxJBMOOlBOozO1w9/j3b1gDPq9drqvpDnfSo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=k1z6M76tojdL+KC8yLzyv6J8hDogU+bEl8+iBt21w/PCoASamTv1Rbxk2I4TnBhJt nuXBC/dopbhk2OFR6EuO6Btuke6rxFAkknwoFIcecmDbiC5KIcM+5pVrP4/Y75bm94 e5jdpnvtj3pz7z+W36bUeRdsZ+cdwb9rvwI82vQw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727969AbgEHMhB (ORCPT ); Fri, 8 May 2020 08:37:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:50866 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727945AbgEHMg5 (ORCPT ); Fri, 8 May 2020 08:36:57 -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 7A9E9215A4; Fri, 8 May 2020 12:36:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588941417; bh=K5TzdsmWxJBMOOlBOozO1w9/j3b1gDPq9drqvpDnfSo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XRDvtWZI5Wfv4QQA8OxhJ+nEADmrplkS1FpAHFcdcRqQUrkzLd2MkXUS7eTdtEWI5 ilijjNpUAWdCTp9XrM6+4aBzeExRkrmYbSID1tupU4C9l3WrAV0RkqzbJufJoC4T48 CTsXjQKj0J1oMcRNjLByI3hJSGNYgUffVl9UjVlw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Felipe Balbi Subject: [PATCH 4.4 008/312] usb: gadget: udc: core: dont starve DMA resources Date: Fri, 8 May 2020 14:29:59 +0200 Message-Id: <20200508123125.099449494@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200508123124.574959822@linuxfoundation.org> References: <20200508123124.574959822@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Felipe Balbi commit 23fd537c9508fb6e3b93ddf23982f51afc087781 upstream. Always unmap all SG entries as required by DMA API Fixes: a698908d3b3b ("usb: gadget: add generic map/unmap request utilities") Cc: # v3.4+ Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/udc/udc-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -97,7 +97,7 @@ void usb_gadget_unmap_request(struct usb return; if (req->num_mapped_sgs) { - dma_unmap_sg(gadget->dev.parent, req->sg, req->num_mapped_sgs, + dma_unmap_sg(gadget->dev.parent, req->sg, req->num_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); req->num_mapped_sgs = 0;