From patchwork Sun Aug 4 22:48:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: john.hubbard@gmail.com X-Patchwork-Id: 11076197 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C488D14E5 for ; Mon, 5 Aug 2019 07:35:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B02D32882F for ; Mon, 5 Aug 2019 07:35:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A3D8728833; Mon, 5 Aug 2019 07:35:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1488A28830 for ; Mon, 5 Aug 2019 07:35:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C20FC89DA7; Mon, 5 Aug 2019 07:34:47 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) by gabe.freedesktop.org (Postfix) with ESMTPS id B9F9E89147; Sun, 4 Aug 2019 22:49:33 +0000 (UTC) Received: by mail-pf1-x443.google.com with SMTP id q10so38581671pff.9; Sun, 04 Aug 2019 15:49:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5vxuyadJL7U7uLaLdbmi0wM48++CcjfxvCZKqh2vh4A=; b=VwZ4i5QSx55xBpFeune1wKd1BnN+FbG8Yg0+XXuIsYQ/bhJMlTSY626ig8FI/UVKfr gsKFmlcSQqEe/VhE/z18mywILXbfYnC5Jj8qprQhqPiyjApSsaoVe1ReuYijCTCwAHu8 a/LfBHRLW6qnjeqSpLDJhwgQv4q5Y/d3FkRi8Oe6tc80kKTy813siaLw8enroGwXMnN4 Rk0PvS13Cr2QlTwunEpdyLJkXfQhzYtnYCpDFFYAhS4a3bRFK+VXx3gDjwXqNM8IYTA6 op86qezhWWuJIIhnfOzFRjCeN3fDQAXpciZHN7WjkWudJ6HrWITkt6UsBGES3AZInix6 k/1A== X-Gm-Message-State: APjAAAUWEIejDyz0Hvk8w/4FjKhbEjsGpcK2RKUBaHPOYu4TzWa3kz6y iQfKaSYnYX0pgH2/mSk7g3U= X-Google-Smtp-Source: APXvYqx8ZWVr6MlzhqOcGh2E3H/RsN7D9i6b3t0CUjOfGBvpDNUsLBn0LfDPCNpJqri3cJedM4xZQw== X-Received: by 2002:a63:1b56:: with SMTP id b22mr16835931pgm.265.1564958973404; Sun, 04 Aug 2019 15:49:33 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.31 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:32 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Subject: [PATCH v2 09/34] media/v4l2-core/mm: convert put_page() to put_user_page*() Date: Sun, 4 Aug 2019 15:48:50 -0700 Message-Id: <20190804224915.28669-10-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Mon, 05 Aug 2019 07:34:45 +0000 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=5vxuyadJL7U7uLaLdbmi0wM48++CcjfxvCZKqh2vh4A=; b=SmLYPFHmKN1uE643ZHBnB9dNk1rkYQS38le9bhNsjkuijth7hTQM++IPMv3pLW0TEI 7/x46VCEIatXmkV3w2KshE0imX/kUzrth+ucng6DZOKNE0opT13YpOAAUVZVUjGyDlRy PB2Ml2hj6K3sDNS5iK8QIe0u19usMs5R4F7ygDzoCAKAQPcQlfC/e9zMHKVg/PGP6KNH jH8S8rBi9/AhB/tXE8C3wWfrNrkZfmcdnxjHGl0d8mZOAczH5is/McK+cj5KFruHwe2c MlwNgBe4BfI2d4CuM85b0u6u4v6w/IVsnWdV3/DEzbLrJ3+c49m+Mf//mO5waQdOc/o0 4mBA== X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Hans Verkuil , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Kees Cook , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , Souptick Joarder , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, Sakari Ailus , linux-fsdevel@vger.kernel.org, Robin Murphy Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Mauro Carvalho Chehab Cc: Kees Cook Cc: Hans Verkuil Cc: Sakari Ailus Cc: Jan Kara Cc: Robin Murphy Cc: Souptick Joarder Cc: Dan Williams Cc: linux-media@vger.kernel.org Signed-off-by: John Hubbard --- drivers/media/v4l2-core/videobuf-dma-sg.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/media/v4l2-core/videobuf-dma-sg.c b/drivers/media/v4l2-core/videobuf-dma-sg.c index 66a6c6c236a7..d6eeb437ec19 100644 --- a/drivers/media/v4l2-core/videobuf-dma-sg.c +++ b/drivers/media/v4l2-core/videobuf-dma-sg.c @@ -349,8 +349,7 @@ int videobuf_dma_free(struct videobuf_dmabuf *dma) BUG_ON(dma->sglen); if (dma->pages) { - for (i = 0; i < dma->nr_pages; i++) - put_page(dma->pages[i]); + put_user_pages(dma->pages, dma->nr_pages); kfree(dma->pages); dma->pages = NULL; }