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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 CBFA7C761A8 for ; Mon, 29 Jul 2019 14:29:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A53982171F for ; Mon, 29 Jul 2019 14:29:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="A+IRZ8M1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728331AbfG2O3H (ORCPT ); Mon, 29 Jul 2019 10:29:07 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:46868 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726190AbfG2O3G (ORCPT ); Mon, 29 Jul 2019 10:29:06 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=rLwKSOlafAJb8n3hQj6kWA/VptqS/47DN+jL5NpRAcY=; b=A+IRZ8M1YJH2N/gpPN/5CPiigV i/LsLL/cCmEExGvDC7zuiAS3QzG/GI0Ed8MghHETAe8DC5dwOCftZsYXuDgDha21U89uP4jRALlx6 wYIarlhg/pz70o5kgZxi0oDVRBFxgi2caIj3mgBuRcZbFBF84n+3Ps25EnKxvguNY8dZm/GG6xlCO 2lPhHQ1IEuUTTjUmEPOo7Qx6Ji0Inu5VxdUlf2aSxirRwZtpZ4Rn+/aQ8E3fFDscxF8hLpUOco1PP s5Nej8OFdg0xkTb7AewQR47WxbZ4yp+Hr/wJShONMpmmeawP3eh4LVmkE0GVIWJAp4keNUAaACguQ uGoMGT8A==; Received: from [195.167.85.94] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hs6e4-0006JM-9F; Mon, 29 Jul 2019 14:29:00 +0000 From: Christoph Hellwig To: =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Jason Gunthorpe , Ben Skeggs Cc: Ralph Campbell , Bharata B Rao , Andrew Morton , linux-mm@kvack.org, nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/9] nouveau: reset dma_nr in nouveau_dmem_migrate_alloc_and_copy Date: Mon, 29 Jul 2019 17:28:36 +0300 Message-Id: <20190729142843.22320-3-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190729142843.22320-1-hch@lst.de> References: <20190729142843.22320-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When we start a new batch of dma_map operations we need to reset dma_nr, as we start filling a newly allocated array. Signed-off-by: Christoph Hellwig --- drivers/gpu/drm/nouveau/nouveau_dmem.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c index 38416798abd4..e696157f771e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dmem.c +++ b/drivers/gpu/drm/nouveau/nouveau_dmem.c @@ -682,6 +682,7 @@ nouveau_dmem_migrate_alloc_and_copy(struct vm_area_struct *vma, migrate->dma = kmalloc(sizeof(*migrate->dma) * npages, GFP_KERNEL); if (!migrate->dma) goto error; + migrate->dma_nr = 0; /* Copy things over */ copy = drm->dmem->migrate.copy_func; -- 2.20.1