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 A6C91C43603 for ; Mon, 16 Dec 2019 18:14:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7AF9820717 for ; Mon, 16 Dec 2019 18:14:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576520099; bh=8YgSHoChGKb32phfLg5ZQTsqIzhR7xPMg4wCjFtEORM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=CZ46fQSMMj1pEn4s6C1JF8Nn+//ak39Gtp/Lh7H8+gvWizTds3Qw516AgVWcsLjph JzP5o1Ykeg5JKpJpHXhc75x4xoY5g8kPIyl1CkKHc0KCoP7SuFON6ozF1BS4x18gro 0me/KAkGz75k3COsVjblTg6N66EAjtwKqPsVzHzE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731019AbfLPSO6 (ORCPT ); Mon, 16 Dec 2019 13:14:58 -0500 Received: from mail.kernel.org ([198.145.29.99]:34854 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731287AbfLPSOw (ORCPT ); Mon, 16 Dec 2019 13:14:52 -0500 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 CC3F1206B7; Mon, 16 Dec 2019 18:14:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576520091; bh=8YgSHoChGKb32phfLg5ZQTsqIzhR7xPMg4wCjFtEORM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BDdj+d90C+57NQOYUAwW3IWgjyvxhbtF8ELy61LBliEepTAnAqwM/AN/dglj918O7 ukNBw1XnAhQhAObi+3spN+Z96x21ku/o26d4497274ovIxE+tSAGpB2ciGXh5R2lbK ybG762e1EQKdsw96gHSZJ4UFxllEyhjUBczP+hmI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arnd Bergmann , Stanimir Varbanov , Hans Verkuil , Mauro Carvalho Chehab Subject: [PATCH 5.4 013/177] media: venus: remove invalid compat_ioctl32 handler Date: Mon, 16 Dec 2019 18:47:49 +0100 Message-Id: <20191216174815.592680330@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191216174811.158424118@linuxfoundation.org> References: <20191216174811.158424118@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnd Bergmann commit 4adc0423de92cf850d1ef5c0e7cb28fd7a38219e upstream. v4l2_compat_ioctl32() is the function that calls into v4l2_file_operations->compat_ioctl32(), so setting that back to the same function leads to a trivial endless loop, followed by a kernel stack overrun. Remove the incorrect assignment. Cc: stable@vger.kernel.org Fixes: 7472c1c69138 ("[media] media: venus: vdec: add video decoder files") Fixes: aaaa93eda64b ("[media] media: venus: venc: add video encoder files") Signed-off-by: Arnd Bergmann Acked-by: Stanimir Varbanov Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Greg Kroah-Hartman --- drivers/media/platform/qcom/venus/vdec.c | 3 --- drivers/media/platform/qcom/venus/venc.c | 3 --- 2 files changed, 6 deletions(-) --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -1412,9 +1412,6 @@ static const struct v4l2_file_operations .unlocked_ioctl = video_ioctl2, .poll = v4l2_m2m_fop_poll, .mmap = v4l2_m2m_fop_mmap, -#ifdef CONFIG_COMPAT - .compat_ioctl32 = v4l2_compat_ioctl32, -#endif }; static int vdec_probe(struct platform_device *pdev) --- a/drivers/media/platform/qcom/venus/venc.c +++ b/drivers/media/platform/qcom/venus/venc.c @@ -1235,9 +1235,6 @@ static const struct v4l2_file_operations .unlocked_ioctl = video_ioctl2, .poll = v4l2_m2m_fop_poll, .mmap = v4l2_m2m_fop_mmap, -#ifdef CONFIG_COMPAT - .compat_ioctl32 = v4l2_compat_ioctl32, -#endif }; static int venc_probe(struct platform_device *pdev)